108615913 has 16 divisors (see below), whose sum is σ = 136350720. Its totient is φ = 84362256.

The previous prime is 108615887. The next prime is 108615917. The reversal of 108615913 is 319516801.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-108615913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108615917) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14695 + ... + 20812.

It is an arithmetic number, because the mean of its divisors is an integer number (8521920).

Almost surely, 2^108615913 is an apocalyptic number.

It is an amenable number.

108615913 is a deficient number, since it is larger than the sum of its proper divisors (27734807).

108615913 is a wasteful number, since it uses less digits than its factorization.

108615913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35556.

The product of its (nonzero) digits is 6480, while the sum is 34.

The square root of 108615913 is about 10421.8958448067. The cubic root of 108615913 is about 477.1238787701.

The spelling of 108615913 in words is "one hundred eight million, six hundred fifteen thousand, nine hundred thirteen".