315063138 has 16 divisors (see below), whose sum is σ = 678597696. Its totient is φ = 96942480.

The previous prime is 315063121. The next prime is 315063167. The reversal of 315063138 is 831360513.

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, 2019558 + ... + 2019713.

It is an arithmetic number, because the mean of its divisors is an integer number (42412356).

Almost surely, 2^315063138 is an apocalyptic number.

315063138 is an abundant number, since it is smaller than the sum of its proper divisors (363534558).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

315063138 is a wasteful number, since it uses less digits than its factorization.

315063138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4039289.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 315063138 is about 17750.0179718219. The cubic root of 315063138 is about 680.4546685338.

The spelling of 315063138 in words is "three hundred fifteen million, sixty-three thousand, one hundred thirty-eight".