It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 400 138 149 is not a prime number.
For example, 400 138 149 can be divided by 3: 400 138 149 / 3 = 133 379 383.
Find out more:
For 400 138 149 to be a prime number, it would have been required that 400 138 149 has only two divisors, i.e., itself and 1.
Find out more:
400 138 149 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 400 138 149 is about 20 003.453.
Thus, the square root of 400 138 149 is not an integer, and therefore 400 138 149 is not a square number.
The square of a number (here 400 138 149) is the result of the product of this number (400 138 149) by itself (i.e., 400 138 149 × 400 138 149); the square of 400 138 149 is sometimes called "raising 400 138 149 to the power 2", or "400 138 149 squared".
The square of 400 138 149 is 160 110 538 285 146 208 because 400 138 149 × 400 138 149 = 400 138 1492 = 160 110 538 285 146 208.
As a consequence, 400 138 149 is the square root of 160 110 538 285 146 208.
400 138 149 is a number with 9 digits.
The multiples of 400 138 149 are all integers evenly divisible by 400 138 149, that is all numbers such that the remainder of the division by 400 138 149 is zero. There are infinitely many multiples of 400 138 149. The smallest multiples of 400 138 149 are: