It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 138 012 498 is not a prime number.
For example, 138 012 498 can be divided by 2: 138 012 498 / 2 = 69 006 249.
For 138 012 498 to be a prime number, it would have been required that 138 012 498 has only two divisors, i.e., itself and 1.
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138 012 498 is an even number, because it is evenly divisible by 2: 138 012 498 / 2 = 69 006 249.
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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 138 012 498 is about 11 747.872.
Thus, the square root of 138 012 498 is not an integer, and therefore 138 012 498 is not a square number.
The square of a number (here 138 012 498) is the result of the product of this number (138 012 498) by itself (i.e., 138 012 498 × 138 012 498); the square of 138 012 498 is sometimes called "raising 138 012 498 to the power 2", or "138 012 498 squared".
The square of 138 012 498 is 19 047 449 604 200 004 because 138 012 498 × 138 012 498 = 138 012 4982 = 19 047 449 604 200 004.
As a consequence, 138 012 498 is the square root of 19 047 449 604 200 004.
138 012 498 is a number with 9 digits.
The multiples of 138 012 498 are all integers evenly divisible by 138 012 498, that is all numbers such that the remainder of the division by 138 012 498 is zero. There are infinitely many multiples of 138 012 498. The smallest multiples of 138 012 498 are: