13737065321 has 16 divisors (see below), whose sum is σ = 15994656000. Its totient is φ = 11554887168.

The previous prime is 13737065317. The next prime is 13737065323. The reversal of 13737065321 is 12356073731.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 13737065321 - 2² = 13737065317 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13737065323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34145 + ... + 169233.

It is an arithmetic number, because the mean of its divisors is an integer number (999666000).

Almost surely, 2^13737065321 is an apocalyptic number.

It is an amenable number.

13737065321 is a deficient number, since it is larger than the sum of its proper divisors (2257590679).

13737065321 is a wasteful number, since it uses less digits than its factorization.

13737065321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135368.

The product of its (nonzero) digits is 79380, while the sum is 38.

The spelling of 13737065321 in words is "thirteen billion, seven hundred thirty-seven million, sixty-five thousand, three hundred twenty-one".