13147135227 has 12 divisors (see below), whose sum is σ = 19301623744. Its totient is φ = 8621071920.

The previous prime is 13147135217. The next prime is 13147135229. The reversal of 13147135227 is 72253174131.

13147135227 is a `hidden beast` number, since 131 + 471 + 3 + 52 + 2 + 7 = 666.

It is not a de Polignac number, because 13147135227 - 2⁶ = 13147135163 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13147135191 and 13147135200.

It is not an unprimeable number, because it can be changed into a prime (13147135229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11973163 + ... + 11974260.

Almost surely, 2^13147135227 is an apocalyptic number.

13147135227 is a deficient number, since it is larger than the sum of its proper divisors (6154488517).

13147135227 is a wasteful number, since it uses less digits than its factorization.

13147135227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23947490 (or 23947487 counting only the distinct ones).

The product of its digits is 35280, while the sum is 36.

The spelling of 13147135227 in words is "thirteen billion, one hundred forty-seven million, one hundred thirty-five thousand, two hundred twenty-seven".