139456108 has 24 divisors (see below), whose sum is σ = 273433104. Its totient is φ = 61675200.

The previous prime is 139456087. The next prime is 139456123. The reversal of 139456108 is 801654931.

It is a Harshad number since it is a multiple of its sum of digits (37).

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, 41203 + ... + 44458.

It is an arithmetic number, because the mean of its divisors is an integer number (11393046).

Almost surely, 2^139456108 is an apocalyptic number.

It is an amenable number.

139456108 is a deficient number, since it is larger than the sum of its proper divisors (133976996).

139456108 is a wasteful number, since it uses less digits than its factorization.

139456108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85713 (or 85711 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 139456108 is about 11809.1535683130. The cubic root of 139456108 is about 518.5761194365.

The spelling of 139456108 in words is "one hundred thirty-nine million, four hundred fifty-six thousand, one hundred eight".