It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 138 801 612 is not a prime number.
For example, 138 801 612 can be divided by 2: 138 801 612 / 2 = 69 400 806.
For 138 801 612 to be a prime number, it would have been required that 138 801 612 has only two divisors, i.e., itself and 1.
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138 801 612 is an even number, because it is evenly divisible by 2: 138 801 612 / 2 = 69 400 806.
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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 138 801 612 is about 11 781.410.
Thus, the square root of 138 801 612 is not an integer, and therefore 138 801 612 is not a square number.
The square of a number (here 138 801 612) is the result of the product of this number (138 801 612) by itself (i.e., 138 801 612 × 138 801 612); the square of 138 801 612 is sometimes called "raising 138 801 612 to the power 2", or "138 801 612 squared".
The square of 138 801 612 is 19 265 887 493 798 544 because 138 801 612 × 138 801 612 = 138 801 6122 = 19 265 887 493 798 544.
As a consequence, 138 801 612 is the square root of 19 265 887 493 798 544.
138 801 612 is a number with 9 digits.
The multiples of 138 801 612 are all integers evenly divisible by 138 801 612, that is all numbers such that the remainder of the division by 138 801 612 is zero. There are infinitely many multiples of 138 801 612. The smallest multiples of 138 801 612 are: