315172135 has 8 divisors (see below), whose sum is σ = 378450720. Its totient is φ = 251974944.

The previous prime is 315172127. The next prime is 315172141. The reversal of 315172135 is 531271513.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 315172135 - 2³ = 315172127 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11475 + ... + 27604.

It is an arithmetic number, because the mean of its divisors is an integer number (47306340).

Almost surely, 2^315172135 is an apocalyptic number.

315172135 is a deficient number, since it is larger than the sum of its proper divisors (63278585).

315172135 is a wasteful number, since it uses less digits than its factorization.

315172135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40697.

The product of its digits is 3150, while the sum is 28.

The square root of 315172135 is about 17753.0880412395. The cubic root of 315172135 is about 680.5331279042.

The spelling of 315172135 in words is "three hundred fifteen million, one hundred seventy-two thousand, one hundred thirty-five".