139055908 has 12 divisors (see below), whose sum is σ = 256155760. Its totient is φ = 65868552.

The previous prime is 139055897. The next prime is 139055923. The reversal of 139055908 is 809550931.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 914766 + ... + 914917.

Almost surely, 2^139055908 is an apocalyptic number.

It is an amenable number.

139055908 is a deficient number, since it is larger than the sum of its proper divisors (117099852).

139055908 is a wasteful number, since it uses less digits than its factorization.

139055908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1829706 (or 1829704 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 40.

The square root of 139055908 is about 11792.1969115174. The cubic root of 139055908 is about 518.0795880553.

The spelling of 139055908 in words is "one hundred thirty-nine million, fifty-five thousand, nine hundred eight".