139070684 has 12 divisors (see below), whose sum is σ = 243516504. Its totient is φ = 69494544.

The previous prime is 139070677. The next prime is 139070699. The reversal of 139070684 is 486070931.

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, 1754 + ... + 16769.

It is an arithmetic number, because the mean of its divisors is an integer number (20293042).

Almost surely, 2^139070684 is an apocalyptic number.

It is an amenable number.

139070684 is a deficient number, since it is larger than the sum of its proper divisors (104445820).

139070684 is a wasteful number, since it uses less digits than its factorization.

139070684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20404 (or 20402 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 139070684 is about 11792.8234108715. The cubic root of 139070684 is about 518.0979376841.

The spelling of 139070684 in words is "one hundred thirty-nine million, seventy thousand, six hundred eighty-four".