135199707872 has 24 divisors (see below), whose sum is σ = 267645013272. Its totient is φ = 67226371200.

The previous prime is 135199707739. The next prime is 135199707901. The reversal of 135199707872 is 278707991531.

It is a super-2 number, since 2×135199707872² (a number of 23 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 3 ways as a sum of consecutive naturals, for example, 11665454 + ... + 11677037.

It is an arithmetic number, because the mean of its divisors is an integer number (11151875553).

Almost surely, 2^135199707872 is an apocalyptic number.

It is an amenable number.

135199707872 is a deficient number, since it is larger than the sum of its proper divisors (132445305400).

135199707872 is a wasteful number, since it uses less digits than its factorization.

135199707872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23342682 (or 23342674 counting only the distinct ones).

The product of its (nonzero) digits is 6667920, while the sum is 59.

The spelling of 135199707872 in words is "one hundred thirty-five billion, one hundred ninety-nine million, seven hundred seven thousand, eight hundred seventy-two".