139999996 has 12 divisors (see below), whose sum is σ = 245548800. Its totient is φ = 69843200.

The previous prime is 139999991. The next prime is 140000041. The reversal of 139999996 is 699999931.

139999996 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139999991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37180 + ... + 40771.

It is an arithmetic number, because the mean of its divisors is an integer number (20462400).

Almost surely, 2^139999996 is an apocalyptic number.

It is an amenable number.

139999996 is a deficient number, since it is larger than the sum of its proper divisors (105548804).

139999996 is a wasteful number, since it uses less digits than its factorization.

139999996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78404 (or 78402 counting only the distinct ones).

The product of its digits is 9565938, while the sum is 64.

The square root of 139999996 is about 11832.1593971684. The cubic root of 139999996 is about 519.2494052399.

The spelling of 139999996 in words is "one hundred thirty-nine million, nine hundred ninety-nine thousand, nine hundred ninety-six".