139475084 has 24 divisors (see below), whose sum is σ = 279417600. Its totient is φ = 59674896.

The previous prime is 139475069. The next prime is 139475087. The reversal of 139475084 is 480574931.

It is not an unprimeable number, because it can be changed into a prime (139475087) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14267 + ... + 21965.

It is an arithmetic number, because the mean of its divisors is an integer number (11642400).

Almost surely, 2^139475084 is an apocalyptic number.

139475084 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

139475084 is an abundant number, since it is smaller than the sum of its proper divisors (139942516).

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

139475084 is a wasteful number, since it uses less digits than its factorization.

139475084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8357 (or 8355 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 139475084 is about 11809.9569855271. The cubic root of 139475084 is about 518.5996395110.

The spelling of 139475084 in words is "one hundred thirty-nine million, four hundred seventy-five thousand, eighty-four".