13272143565 has 32 divisors (see below), whose sum is σ = 21750284160. Its totient is φ = 6908799744.

The previous prime is 13272143557. The next prime is 13272143623. The reversal of 13272143565 is 56534127231.

It is not a de Polignac number, because 13272143565 - 2³ = 13272143557 is a prime.

It is a super-2 number, since 2×13272143565² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48967 + ... + 170123.

It is an arithmetic number, because the mean of its divisors is an integer number (679696380).

Almost surely, 2^13272143565 is an apocalyptic number.

13272143565 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13272143565 is a deficient number, since it is larger than the sum of its proper divisors (8478140595).

13272143565 is a wasteful number, since it uses less digits than its factorization.

13272143565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121341.

The product of its digits is 151200, while the sum is 39.

The spelling of 13272143565 in words is "thirteen billion, two hundred seventy-two million, one hundred forty-three thousand, five hundred sixty-five".