39139390714 has 4 divisors (see below), whose sum is σ = 58709086074. Its totient is φ = 19569695356.

The previous prime is 39139390691. The next prime is 39139390723. The reversal of 39139390714 is 41709393193.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 22312890625 + 16826500089 = 149375^2 + 129717^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9784847677 + ... + 9784847680.

Almost surely, 2^39139390714 is an apocalyptic number.

39139390714 is a deficient number, since it is larger than the sum of its proper divisors (19569695360).

39139390714 is a wasteful number, since it uses less digits than its factorization.

39139390714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19569695359.

The product of its (nonzero) digits is 551124, while the sum is 49.

The spelling of 39139390714 in words is "thirty-nine billion, one hundred thirty-nine million, three hundred ninety thousand, seven hundred fourteen".