108013889 has 4 divisors (see below), whose sum is σ = 111498240. Its totient is φ = 104529540.

The previous prime is 108013883. The next prime is 108013897. The reversal of 108013889 is 988310801.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-108013889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108013883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1742129 + ... + 1742190.

It is an arithmetic number, because the mean of its divisors is an integer number (27874560).

Almost surely, 2^108013889 is an apocalyptic number.

It is an amenable number.

108013889 is a deficient number, since it is larger than the sum of its proper divisors (3484351).

108013889 is an equidigital number, since it uses as much as digits as its factorization.

108013889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3484350.

The product of its (nonzero) digits is 13824, while the sum is 38.

The square root of 108013889 is about 10392.9730587547. The cubic root of 108013889 is about 476.2407289869.

The spelling of 108013889 in words is "one hundred eight million, thirteen thousand, eight hundred eighty-nine".