315540623146 has 24 divisors (see below), whose sum is σ = 553011718176. Its totient is φ = 134635951800.

The previous prime is 315540623129. The next prime is 315540623219. The reversal of 315540623146 is 641326045513.

It is a junction number, because it is equal to n+sod(n) for n = 315540623099 and 315540623108.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7069830 + ... + 7114321.

It is an arithmetic number, because the mean of its divisors is an integer number (23042154924).

Almost surely, 2^315540623146 is an apocalyptic number.

315540623146 is a deficient number, since it is larger than the sum of its proper divisors (237471095030).

315540623146 is a wasteful number, since it uses less digits than its factorization.

315540623146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14184394 (or 14184387 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 40.

Adding to 315540623146 its reverse (641326045513), we get a palindrome (956866668659).

The spelling of 315540623146 in words is "three hundred fifteen billion, five hundred forty million, six hundred twenty-three thousand, one hundred forty-six".