13587227137 has 4 divisors (see below), whose sum is σ = 14822429616. Its totient is φ = 12352024660.

The previous prime is 13587227111. The next prime is 13587227141. The reversal of 13587227137 is 73172278531.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13587227137 - 2²³ = 13578838529 is a prime.

It is a super-2 number, since 2×13587227137² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13587027137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 617601223 + ... + 617601244.

It is an arithmetic number, because the mean of its divisors is an integer number (3705607404).

Almost surely, 2^13587227137 is an apocalyptic number.

It is an amenable number.

13587227137 is a deficient number, since it is larger than the sum of its proper divisors (1235202479).

13587227137 is a wasteful number, since it uses less digits than its factorization.

13587227137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1235202478.

The product of its digits is 493920, while the sum is 46.

The spelling of 13587227137 in words is "thirteen billion, five hundred eighty-seven million, two hundred twenty-seven thousand, one hundred thirty-seven".