139889504 has 24 divisors (see below), whose sum is σ = 284906160. Its totient is φ = 67532416.

The previous prime is 139889483. The next prime is 139889513. The reversal of 139889504 is 405988931.

It is a congruent number.

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, 74444 + ... + 76299.

It is an arithmetic number, because the mean of its divisors is an integer number (11871090).

Almost surely, 2^139889504 is an apocalyptic number.

It is an amenable number.

139889504 is an abundant number, since it is smaller than the sum of its proper divisors (145016656).

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

139889504 is a wasteful number, since it uses less digits than its factorization.

139889504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150782 (or 150774 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 47.

The square root of 139889504 is about 11827.4893362877. The cubic root of 139889504 is about 519.1127671280.

The spelling of 139889504 in words is "one hundred thirty-nine million, eight hundred eighty-nine thousand, five hundred four".