939929912139 has 8 divisors (see below), whose sum is σ = 1261222303120. Its totient is φ = 622628731296.

The previous prime is 939929912113. The next prime is 939929912167. The reversal of 939929912139 is 931219929939.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 939929912139 - 2³² = 935634944843 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 939929912139.

It is not an unprimeable number, because it can be changed into a prime (939929912039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 997801984 + ... + 997802925.

It is an arithmetic number, because the mean of its divisors is an integer number (157652787890).

Almost surely, 2^939929912139 is an apocalyptic number.

939929912139 is a deficient number, since it is larger than the sum of its proper divisors (321292390981).

939929912139 is a wasteful number, since it uses less digits than its factorization.

939929912139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1995605069.

The product of its digits is 19131876, while the sum is 66.

The spelling of 939929912139 in words is "nine hundred thirty-nine billion, nine hundred twenty-nine million, nine hundred twelve thousand, one hundred thirty-nine".