139412108 has 48 divisors (see below), whose sum is σ = 279224064. Its totient is φ = 60287040.

The previous prime is 139412093. The next prime is 139412123. The reversal of 139412108 is 801214931.

139412108 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (139412093) and next prime (139412123).

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 15 ways as a sum of consecutive naturals, for example, 350966 + ... + 351362.

It is an arithmetic number, because the mean of its divisors is an integer number (5817168).

Almost surely, 2^139412108 is an apocalyptic number.

It is an amenable number.

139412108 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

139412108 is a wasteful number, since it uses less digits than its factorization.

139412108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782 (or 780 counting only the distinct ones).

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

The square root of 139412108 is about 11807.2904597117. The cubic root of 139412108 is about 518.5215747971.

The spelling of 139412108 in words is "one hundred thirty-nine million, four hundred twelve thousand, one hundred eight".