315944140239 has 24 divisors (see below), whose sum is σ = 561678472992. Its totient is φ = 166651853760.

The previous prime is 315944140231. The next prime is 315944140243. The reversal of 315944140239 is 932041449513.

315944140239 is a `hidden beast` number, since 31 + 594 + 4 + 1 + 4 + 0 + 23 + 9 = 666.

It is not a de Polignac number, because 315944140239 - 2³ = 315944140231 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 315944140194 and 315944140203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315944140231) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 192883272 + ... + 192884909.

It is an arithmetic number, because the mean of its divisors is an integer number (23403269708).

Almost surely, 2^315944140239 is an apocalyptic number.

315944140239 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

315944140239 is a deficient number, since it is larger than the sum of its proper divisors (245734332753).

315944140239 is a wasteful number, since it uses less digits than its factorization.

315944140239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385768207 (or 385768204 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The spelling of 315944140239 in words is "three hundred fifteen billion, nine hundred forty-four million, one hundred forty thousand, two hundred thirty-nine".