39139730764 has 12 divisors (see below), whose sum is σ = 68495916384. Its totient is φ = 19569468944.

The previous prime is 39139730689. The next prime is 39139730779. The reversal of 39139730764 is 46703793193.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 319197 + ... + 424459.

It is an arithmetic number, because the mean of its divisors is an integer number (5707993032).

Almost surely, 2^39139730764 is an apocalyptic number.

It is an amenable number.

39139730764 is a deficient number, since it is larger than the sum of its proper divisors (29356185620).

39139730764 is a wasteful number, since it uses less digits than its factorization.

39139730764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198224 (or 198222 counting only the distinct ones).

The product of its (nonzero) digits is 2571912, while the sum is 52.

The spelling of 39139730764 in words is "thirty-nine billion, one hundred thirty-nine million, seven hundred thirty thousand, seven hundred sixty-four".