139823796 has 24 divisors (see below), whose sum is σ = 372863680. Its totient is φ = 39949632.

The previous prime is 139823771. The next prime is 139823807. The reversal of 139823796 is 697328931.

It is a congruent number.

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, 832201 + ... + 832368.

Almost surely, 2^139823796 is an apocalyptic number.

It is an amenable number.

139823796 is an abundant number, since it is smaller than the sum of its proper divisors (233039884).

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

139823796 is a wasteful number, since it uses less digits than its factorization.

139823796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1664583 (or 1664581 counting only the distinct ones).

The product of its digits is 489888, while the sum is 48.

The square root of 139823796 is about 11824.7112438317. The cubic root of 139823796 is about 519.0314762931.

The spelling of 139823796 in words is "one hundred thirty-nine million, eight hundred twenty-three thousand, seven hundred ninety-six".