108321913 has 8 divisors (see below), whose sum is σ = 124892928. Its totient is φ = 92025024.

The previous prime is 108321901. The next prime is 108321923. The reversal of 108321913 is 319123801.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 108321913 - 2²¹ = 106224761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108321923) 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, 67681 + ... + 69262.

It is an arithmetic number, because the mean of its divisors is an integer number (15611616).

Almost surely, 2^108321913 is an apocalyptic number.

It is an amenable number.

108321913 is a deficient number, since it is larger than the sum of its proper divisors (16571015).

108321913 is a wasteful number, since it uses less digits than its factorization.

108321913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137063.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 108321913 is about 10407.7813678036. The cubic root of 108321913 is about 476.6929990724.

The spelling of 108321913 in words is "one hundred eight million, three hundred twenty-one thousand, nine hundred thirteen".