13728907137 has 32 divisors (see below), whose sum is σ = 20274315264. Its totient is φ = 8194435200.

The previous prime is 13728907061. The next prime is 13728907147. The reversal of 13728907137 is 73170982731.

It is not a de Polignac number, because 13728907137 - 2⁷ = 13728907009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13728907147) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 562212 + ... + 586122.

It is an arithmetic number, because the mean of its divisors is an integer number (633572352).

Almost surely, 2^13728907137 is an apocalyptic number.

It is an amenable number.

13728907137 is a deficient number, since it is larger than the sum of its proper divisors (6545408127).

13728907137 is a wasteful number, since it uses less digits than its factorization.

13728907137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24189.

The product of its (nonzero) digits is 444528, while the sum is 48.

The spelling of 13728907137 in words is "thirteen billion, seven hundred twenty-eight million, nine hundred seven thousand, one hundred thirty-seven".