139425164 has 12 divisors (see below), whose sum is σ = 244896288. Its totient is φ = 69454800.

The previous prime is 139425161. The next prime is 139425193. The reversal of 139425164 is 461524931.

139425164 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 (139425161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63227 + ... + 65394.

It is an arithmetic number, because the mean of its divisors is an integer number (20408024).

Almost surely, 2^139425164 is an apocalyptic number.

It is an amenable number.

139425164 is a deficient number, since it is larger than the sum of its proper divisors (105471124).

139425164 is a wasteful number, since it uses less digits than its factorization.

139425164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128896 (or 128894 counting only the distinct ones).

The product of its digits is 25920, while the sum is 35.

The square root of 139425164 is about 11807.8433255188. The cubic root of 139425164 is about 518.5377608765.

The spelling of 139425164 in words is "one hundred thirty-nine million, four hundred twenty-five thousand, one hundred sixty-four".