135726869828 has 72 divisors (see below), whose sum is σ = 263064849600. Its totient is φ = 61226193600.

The previous prime is 135726869743. The next prime is 135726869849. The reversal of 135726869828 is 828968627531.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42666398 + ... + 42669578.

Almost surely, 2^135726869828 is an apocalyptic number.

It is an amenable number.

135726869828 is a deficient number, since it is larger than the sum of its proper divisors (127337979772).

135726869828 is a wasteful number, since it uses less digits than its factorization.

135726869828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3849 (or 3836 counting only the distinct ones).

The product of its digits is 69672960, while the sum is 65.

The spelling of 135726869828 in words is "one hundred thirty-five billion, seven hundred twenty-six million, eight hundred sixty-nine thousand, eight hundred twenty-eight".