It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 116 138 is not a prime number.
For example, 116 138 can be divided by 2: 116 138 / 2 = 58 069.
For 116 138 to be a prime number, it would have been required that 116 138 has only two divisors, i.e., itself and 1.
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116 138 is an even number, because it is evenly divisible by 2: 116 138 / 2 = 58 069.
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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 116 138 is about 340.790.
Thus, the square root of 116 138 is not an integer, and therefore 116 138 is not a square number.
The square of a number (here 116 138) is the result of the product of this number (116 138) by itself (i.e., 116 138 × 116 138); the square of 116 138 is sometimes called "raising 116 138 to the power 2", or "116 138 squared".
The square of 116 138 is 13 488 035 044 because 116 138 × 116 138 = 116 1382 = 13 488 035 044.
As a consequence, 116 138 is the square root of 13 488 035 044.
The multiples of 116 138 are all integers evenly divisible by 116 138, that is all numbers such that the remainder of the division by 116 138 is zero. There are infinitely many multiples of 116 138. The smallest multiples of 116 138 are: