13664513135 has 48 divisors (see below), whose sum is σ = 20724149376. Its totient is φ = 8572419072.

The previous prime is 13664513131. The next prime is 13664513143. The reversal of 13664513135 is 53131546631.

It is not a de Polignac number, because 13664513135 - 2² = 13664513131 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13664513131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 340922 + ... + 378888.

It is an arithmetic number, because the mean of its divisors is an integer number (431753112).

Almost surely, 2^13664513135 is an apocalyptic number.

13664513135 is a deficient number, since it is larger than the sum of its proper divisors (7059636241).

13664513135 is a wasteful number, since it uses less digits than its factorization.

13664513135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38112 (or 38105 counting only the distinct ones).

The product of its digits is 97200, while the sum is 38.

The spelling of 13664513135 in words is "thirteen billion, six hundred sixty-four million, five hundred thirteen thousand, one hundred thirty-five".