13776772136 has 16 divisors (see below), whose sum is σ = 25866990240. Its totient is φ = 6878908080.

The previous prime is 13776772129. The next prime is 13776772151. The reversal of 13776772136 is 63127767731.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1178570 + ... + 1190201.

It is an arithmetic number, because the mean of its divisors is an integer number (1616686890).

Almost surely, 2^13776772136 is an apocalyptic number.

It is an amenable number.

13776772136 is a deficient number, since it is larger than the sum of its proper divisors (12090218104).

13776772136 is a wasteful number, since it uses less digits than its factorization.

13776772136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2369504 (or 2369500 counting only the distinct ones).

The product of its digits is 1555848, while the sum is 50.

The spelling of 13776772136 in words is "thirteen billion, seven hundred seventy-six million, seven hundred seventy-two thousand, one hundred thirty-six".