139037696 has 132 divisors (see below), whose sum is σ = 344436408. Its totient is φ = 55738368.

The previous prime is 139037693. The next prime is 139037719. The reversal of 139037696 is 696730931.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (139037693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 852911 + ... + 853073.

Almost surely, 2^139037696 is an apocalyptic number.

139037696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 139037696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172218204).

139037696 is an abundant number, since it is smaller than the sum of its proper divisors (205398712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

139037696 is a wasteful number, since it uses less digits than its factorization.

139037696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214 (or 189 counting only the distinct ones).

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

The square root of 139037696 is about 11791.4246806737. The cubic root of 139037696 is about 518.0569696291.

The spelling of 139037696 in words is "one hundred thirty-nine million, thirty-seven thousand, six hundred ninety-six".