139304512 has 14 divisors (see below), whose sum is σ = 276432518. Its totient is φ = 69652224.

The previous prime is 139304497. The next prime is 139304551. The reversal of 139304512 is 215403931.

It can be written as a sum of positive squares in only one way, i.e., 137921536 + 1382976 = 11744^2 + 1176^2 .

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 as a sum of consecutive naturals, namely, 1088253 + ... + 1088380.

Almost surely, 2^139304512 is an apocalyptic number.

It is an amenable number.

139304512 is a deficient number, since it is larger than the sum of its proper divisors (137128006).

139304512 is an equidigital number, since it uses as much as digits as its factorization.

139304512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2176645 (or 2176635 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 139304512 is about 11802.7332427705. The cubic root of 139304512 is about 518.3881449557.

The spelling of 139304512 in words is "one hundred thirty-nine million, three hundred four thousand, five hundred twelve".