108639045834 has 48 divisors (see below), whose sum is σ = 244380503136. Its totient is φ = 32155310880.

The previous prime is 108639045787. The next prime is 108639045859. The reversal of 108639045834 is 438540936801.

It is a super-3 number, since 3×108639045834³ (a number of 34 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1708789 + ... + 1771224.

It is an arithmetic number, because the mean of its divisors is an integer number (5091260482).

Almost surely, 2^108639045834 is an apocalyptic number.

108639045834 is an abundant number, since it is smaller than the sum of its proper divisors (135741457302).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

108639045834 is a wasteful number, since it uses less digits than its factorization.

108639045834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3480083 (or 3480072 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 51.

The spelling of 108639045834 in words is "one hundred eight billion, six hundred thirty-nine million, forty-five thousand, eight hundred thirty-four".