99139032 has 32 divisors (see below), whose sum is σ = 275386800. Its totient is φ = 33046272.

The previous prime is 99139013. The next prime is 99139043. The reversal of 99139032 is 23093199.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 229273 + ... + 229704.

Almost surely, 2^99139032 is an apocalyptic number.

It is an amenable number.

99139032 is an abundant number, since it is smaller than the sum of its proper divisors (176247768).

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

99139032 is a wasteful number, since it uses less digits than its factorization.

99139032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458992 (or 458982 counting only the distinct ones).

The product of its (nonzero) digits is 13122, while the sum is 36.

The square root of 99139032 is about 9956.8585407246. The cubic root of 99139032 is about 462.8229555388.

The spelling of 99139032 in words is "ninety-nine million, one hundred thirty-nine thousand, thirty-two".