315868139468 has 24 divisors (see below), whose sum is σ = 632160631200. Its totient is φ = 135281127168.

The previous prime is 315868139467. The next prime is 315868139539. The reversal of 315868139468 is 864931868513.

It is a self number, because there is not a number n which added to its sum of digits gives 315868139468.

It is not an unprimeable number, because it can be changed into a prime (315868139467) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3746423 + ... + 3829806.

It is an arithmetic number, because the mean of its divisors is an integer number (26340026300).

Almost surely, 2^315868139468 is an apocalyptic number.

It is an amenable number.

315868139468 is an abundant number, since it is smaller than the sum of its proper divisors (316292491732).

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

315868139468 is a wasteful number, since it uses less digits than its factorization.

315868139468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7577729 (or 7577727 counting only the distinct ones).

The product of its digits is 29859840, while the sum is 62.

The spelling of 315868139468 in words is "three hundred fifteen billion, eight hundred sixty-eight million, one hundred thirty-nine thousand, four hundred sixty-eight".