It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 138 013 467 is not a prime number.
For example, 138 013 467 can be divided by 3: 138 013 467 / 3 = 46 004 489.
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For 138 013 467 to be a prime number, it would have been required that 138 013 467 has only two divisors, i.e., itself and 1.
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138 013 467 is an odd number, because it is not evenly divisible by 2.
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A number is a perfect square (or a square number) if its square root is an integer; that is to say, it is the product of an integer with itself. Here, the square root of 138 013 467 is about 11 747.913.
Thus, the square root of 138 013 467 is not an integer, and therefore 138 013 467 is not a square number.
The square of a number (here 138 013 467) is the result of the product of this number (138 013 467) by itself (i.e., 138 013 467 × 138 013 467); the square of 138 013 467 is sometimes called "raising 138 013 467 to the power 2", or "138 013 467 squared".
The square of 138 013 467 is 19 047 717 073 360 088 because 138 013 467 × 138 013 467 = 138 013 4672 = 19 047 717 073 360 088.
As a consequence, 138 013 467 is the square root of 19 047 717 073 360 088.
138 013 467 is a number with 9 digits.
The multiples of 138 013 467 are all integers evenly divisible by 138 013 467, that is all numbers such that the remainder of the division by 138 013 467 is zero. There are infinitely many multiples of 138 013 467. The smallest multiples of 138 013 467 are: