It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 137 102 is not a prime number.
For example, 137 102 can be divided by 2: 137 102 / 2 = 68 551.
For 137 102 to be a prime number, it would have been required that 137 102 has only two divisors, i.e., itself and 1.
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137 102 is an even number, because it is evenly divisible by 2: 137 102 / 2 = 68 551.
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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 137 102 is about 370.273.
Thus, the square root of 137 102 is not an integer, and therefore 137 102 is not a square number.
The square of a number (here 137 102) is the result of the product of this number (137 102) by itself (i.e., 137 102 × 137 102); the square of 137 102 is sometimes called "raising 137 102 to the power 2", or "137 102 squared".
The square of 137 102 is 18 796 958 404 because 137 102 × 137 102 = 137 1022 = 18 796 958 404.
As a consequence, 137 102 is the square root of 18 796 958 404.
The multiples of 137 102 are all integers evenly divisible by 137 102, that is all numbers such that the remainder of the division by 137 102 is zero. There are infinitely many multiples of 137 102. The smallest multiples of 137 102 are: