139704396 has 96 divisors (see below), whose sum is σ = 364851648. Its totient is φ = 41333760.

The previous prime is 139704391. The next prime is 139704413. The reversal of 139704396 is 693407931.

139704396 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (139704391) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 504210 + ... + 504486.

It is an arithmetic number, because the mean of its divisors is an integer number (3800538).

Almost surely, 2^139704396 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 139704396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182425824).

139704396 is an abundant number, since it is smaller than the sum of its proper divisors (225147252).

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

139704396 is a wasteful number, since it uses less digits than its factorization.

139704396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411 (or 409 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 42.

The square root of 139704396 is about 11819.6614164704. The cubic root of 139704396 is about 518.8836950416.

The spelling of 139704396 in words is "one hundred thirty-nine million, seven hundred four thousand, three hundred ninety-six".