315136252 has 24 divisors (see below), whose sum is σ = 568512224. Its totient is φ = 152736192.

The previous prime is 315136249. The next prime is 315136267. The reversal of 315136252 is 252631513.

It is a self number, because there is not a number n which added to its sum of digits gives 315136252.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37153 + ... + 44839.

Almost surely, 2^315136252 is an apocalyptic number.

It is an amenable number.

315136252 is a deficient number, since it is larger than the sum of its proper divisors (253375972).

315136252 is a wasteful number, since it uses less digits than its factorization.

315136252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8005 (or 8003 counting only the distinct ones).

The product of its digits is 5400, while the sum is 28.

The square root of 315136252 is about 17752.0773995609. The cubic root of 315136252 is about 680.5073002222.

Adding to 315136252 its reverse (252631513), we get a palindrome (567767765).

The spelling of 315136252 in words is "three hundred fifteen million, one hundred thirty-six thousand, two hundred fifty-two".