139000808 has 32 divisors (see below), whose sum is σ = 280195200. Its totient is φ = 64438272.

The previous prime is 139000801. The next prime is 139000819. The reversal of 139000808 is 808000931.

It is a happy number.

139000808 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (139000801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2585 + ... + 16872.

It is an arithmetic number, because the mean of its divisors is an integer number (8756100).

Almost surely, 2^139000808 is an apocalyptic number.

It is an amenable number.

139000808 is an abundant number, since it is smaller than the sum of its proper divisors (141194392).

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

139000808 is a wasteful number, since it uses less digits than its factorization.

139000808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19529 (or 19525 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 139000808 is about 11789.8603893346. The cubic root of 139000808 is about 518.0111504584.

The spelling of 139000808 in words is "one hundred thirty-nine million, eight hundred eight", and thus it is an aban number.