139376690 has 16 divisors (see below), whose sum is σ = 252685440. Its totient is φ = 55349040.

The previous prime is 139376603. The next prime is 139376707. The reversal of 139376690 is 96673931.

It is a happy number.

139376690 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×139376690² = 38851723430712200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48746 + ... + 51525.

It is an arithmetic number, because the mean of its divisors is an integer number (15792840).

Almost surely, 2^139376690 is an apocalyptic number.

139376690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

139376690 is a deficient number, since it is larger than the sum of its proper divisors (113308750).

139376690 is a wasteful number, since it uses less digits than its factorization.

139376690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100417.

The product of its (nonzero) digits is 183708, while the sum is 44.

The square root of 139376690 is about 11805.7905283806. The cubic root of 139376690 is about 518.4776605038.

The spelling of 139376690 in words is "one hundred thirty-nine million, three hundred seventy-six thousand, six hundred ninety".