315873140 has 24 divisors (see below), whose sum is σ = 723637152. Its totient is φ = 114862880.

The previous prime is 315873139. The next prime is 315873199. The reversal of 315873140 is 41378513.

It is a junction number, because it is equal to n+sod(n) for n = 315873097 and 315873106.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 717674 + ... + 718113.

It is an arithmetic number, because the mean of its divisors is an integer number (30151548).

Almost surely, 2^315873140 is an apocalyptic number.

It is an amenable number.

315873140 is an abundant number, since it is smaller than the sum of its proper divisors (407764012).

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

315873140 is a wasteful number, since it uses less digits than its factorization.

315873140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1435807 (or 1435805 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 315873140 is about 17772.8202601613. The cubic root of 315873140 is about 681.0373009355.

The spelling of 315873140 in words is "three hundred fifteen million, eight hundred seventy-three thousand, one hundred forty".