139002976 has 24 divisors (see below), whose sum is σ = 312757200. Its totient is φ = 59572608.

The previous prime is 139002973. The next prime is 139002979. The reversal of 139002976 is 679200931.

It is an interprime number because it is at equal distance from previous prime (139002973) and next prime (139002979).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139002971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 310051 + ... + 310498.

It is an arithmetic number, because the mean of its divisors is an integer number (13031550).

Almost surely, 2^139002976 is an apocalyptic number.

139002976 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

139002976 is an abundant number, since it is smaller than the sum of its proper divisors (173754224).

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

139002976 is an equidigital number, since it uses as much as digits as its factorization.

139002976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620566 (or 620558 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 37.

The square root of 139002976 is about 11789.9523323888. The cubic root of 139002976 is about 518.0138435898.

The spelling of 139002976 in words is "one hundred thirty-nine million, two thousand, nine hundred seventy-six".