139812696 has 64 divisors (see below), whose sum is σ = 392431200. Its totient is φ = 46116864.

The previous prime is 139812667. The next prime is 139812707. The reversal of 139812696 is 696218931.

It is a happy number.

139812696 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17616 + ... + 24288.

Almost surely, 2^139812696 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 139812696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196215600).

139812696 is an abundant number, since it is smaller than the sum of its proper divisors (252618504).

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

139812696 is a wasteful number, since it uses less digits than its factorization.

139812696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6785 (or 6775 counting only the distinct ones).

The product of its digits is 139968, while the sum is 45.

The square root of 139812696 is about 11824.2418784462. The cubic root of 139812696 is about 519.0177413829.

The spelling of 139812696 in words is "one hundred thirty-nine million, eight hundred twelve thousand, six hundred ninety-six".