139937804 has 12 divisors (see below), whose sum is σ = 245105784. Its totient is φ = 69907584.

The previous prime is 139937783. The next prime is 139937839. The reversal of 139937804 is 408739931.

It is a happy number.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9989 + ... + 19484.

It is an arithmetic number, because the mean of its divisors is an integer number (20425482).

Almost surely, 2^139937804 is an apocalyptic number.

It is an amenable number.

139937804 is a deficient number, since it is larger than the sum of its proper divisors (105167980).

139937804 is a wasteful number, since it uses less digits than its factorization.

139937804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30664 (or 30662 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 139937804 is about 11829.5310135271. The cubic root of 139937804 is about 519.1725053757.

The spelling of 139937804 in words is "one hundred thirty-nine million, nine hundred thirty-seven thousand, eight hundred four".