99139180 has 24 divisors (see below), whose sum is σ = 237934368. Its totient is φ = 33990528.

The previous prime is 99139153. The next prime is 99139193. The reversal of 99139180 is 8193199.

It is a super-3 number, since 3×99139180³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

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, 353929 + ... + 354208.

It is an arithmetic number, because the mean of its divisors is an integer number (9913932).

Almost surely, 2^99139180 is an apocalyptic number.

It is an amenable number.

99139180 is an abundant number, since it is smaller than the sum of its proper divisors (138795188).

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

99139180 is a wasteful number, since it uses less digits than its factorization.

99139180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708153 (or 708151 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 40.

The square root of 99139180 is about 9956.8659727848. The cubic root of 99139180 is about 462.8231858476.

The spelling of 99139180 in words is "ninety-nine million, one hundred thirty-nine thousand, one hundred eighty".