139038584 has 16 divisors (see below), whose sum is σ = 262752000. Its totient is φ = 68971392.

The previous prime is 139038583. The next prime is 139038607. The reversal of 139038584 is 485830931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139038583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67409 + ... + 69440.

It is an arithmetic number, because the mean of its divisors is an integer number (16422000).

Almost surely, 2^139038584 is an apocalyptic number.

It is an amenable number.

139038584 is a deficient number, since it is larger than the sum of its proper divisors (123713416).

139038584 is a wasteful number, since it uses less digits than its factorization.

139038584 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136982 (or 136978 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 139038584 is about 11791.4623350965. The cubic root of 139038584 is about 518.0580725281.

The spelling of 139038584 in words is "one hundred thirty-nine million, thirty-eight thousand, five hundred eighty-four".