99139708 has 12 divisors (see below), whose sum is σ = 173697160. Its totient is φ = 49511952.

The previous prime is 99139693. The next prime is 99139709. The reversal of 99139708 is 80793199.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99139709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10503 + ... + 17566.

Almost surely, 2^99139708 is an apocalyptic number.

It is an amenable number.

99139708 is a deficient number, since it is larger than the sum of its proper divisors (74557452).

99139708 is a wasteful number, since it uses less digits than its factorization.

99139708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28956 (or 28954 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 46.

The square root of 99139708 is about 9956.8924871167. The cubic root of 99139708 is about 462.8240074878.

The spelling of 99139708 in words is "ninety-nine million, one hundred thirty-nine thousand, seven hundred eight".