99136039904 has 24 divisors (see below), whose sum is σ = 212917177368. Its totient is φ = 45061836160.

The previous prime is 99136039867. The next prime is 99136039939. The reversal of 99136039904 is 40993063199.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140817887 + ... + 140818590.

It is an arithmetic number, because the mean of its divisors is an integer number (8871549057).

Almost surely, 2^99136039904 is an apocalyptic number.

It is an amenable number.

99136039904 is an abundant number, since it is smaller than the sum of its proper divisors (113781137464).

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

99136039904 is a wasteful number, since it uses less digits than its factorization.

99136039904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281636498 (or 281636490 counting only the distinct ones).

The product of its (nonzero) digits is 1417176, while the sum is 53.

The spelling of 99136039904 in words is "ninety-nine billion, one hundred thirty-six million, thirty-nine thousand, nine hundred four".