It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 135 201 is not a prime number.
For example, 135 201 can be divided by 3: 135 201 / 3 = 45 067.
Find out more:
For 135 201 to be a prime number, it would have been required that 135 201 has only two divisors, i.e., itself and 1.
Find out more:
135 201 is an odd number, because it is not evenly divisible by 2.
Find out more:
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 135 201 is about 367.697.
Thus, the square root of 135 201 is not an integer, and therefore 135 201 is not a square number.
The square of a number (here 135 201) is the result of the product of this number (135 201) by itself (i.e., 135 201 × 135 201); the square of 135 201 is sometimes called "raising 135 201 to the power 2", or "135 201 squared".
The square of 135 201 is 18 279 310 401 because 135 201 × 135 201 = 135 2012 = 18 279 310 401.
As a consequence, 135 201 is the square root of 18 279 310 401.
The multiples of 135 201 are all integers evenly divisible by 135 201, that is all numbers such that the remainder of the division by 135 201 is zero. There are infinitely many multiples of 135 201. The smallest multiples of 135 201 are: