12791134134 has 24 divisors (see below), whose sum is σ = 29172762840. Its totient is φ = 4039305408.

The previous prime is 12791134129. The next prime is 12791134163. The reversal of 12791134134 is 43143119721.

It is a happy number.

12791134134 is a `hidden beast` number, since 1 + 279 + 11 + 341 + 34 = 666.

It is a super-2 number, since 2×12791134134² (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 11 ways as a sum of consecutive naturals, for example, 18700147 + ... + 18700830.

It is an arithmetic number, because the mean of its divisors is an integer number (1215531785).

Almost surely, 2^12791134134 is an apocalyptic number.

12791134134 is an abundant number, since it is smaller than the sum of its proper divisors (16381628706).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12791134134 is a wasteful number, since it uses less digits than its factorization.

12791134134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37401004 (or 37401001 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The spelling of 12791134134 in words is "twelve billion, seven hundred ninety-one million, one hundred thirty-four thousand, one hundred thirty-four".