13143513165 has 16 divisors (see below), whose sum is σ = 21043287168. Its totient is φ = 7005318336.

The previous prime is 13143513157. The next prime is 13143513179. The reversal of 13143513165 is 56131534131.

It is a happy number.

It is not a de Polignac number, because 13143513165 - 2³ = 13143513157 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 260794 + ... + 307083.

It is an arithmetic number, because the mean of its divisors is an integer number (1315205448).

Almost surely, 2^13143513165 is an apocalyptic number.

13143513165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13143513165 is a deficient number, since it is larger than the sum of its proper divisors (7899774003).

13143513165 is a wasteful number, since it uses less digits than its factorization.

13143513165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569428.

The product of its digits is 16200, while the sum is 33.

The spelling of 13143513165 in words is "thirteen billion, one hundred forty-three million, five hundred thirteen thousand, one hundred sixty-five".