39520069136 has 40 divisors (see below), whose sum is σ = 77048889984. Its totient is φ = 19636722560.

The previous prime is 39520069129. The next prime is 39520069151. The reversal of 39520069136 is 63196002593.

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, 2864591 + ... + 2878353.

Almost surely, 2^39520069136 is an apocalyptic number.

It is an amenable number.

39520069136 is a deficient number, since it is larger than the sum of its proper divisors (37528820848).

39520069136 is a wasteful number, since it uses less digits than its factorization.

39520069136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14879 (or 14873 counting only the distinct ones).

The product of its (nonzero) digits is 262440, while the sum is 44.

The spelling of 39520069136 in words is "thirty-nine billion, five hundred twenty million, sixty-nine thousand, one hundred thirty-six".