135640855268 has 12 divisors (see below), whose sum is σ = 242421954432. Its totient is φ = 66377439720.

The previous prime is 135640855223. The next prime is 135640855271. The reversal of 135640855268 is 862558046531.

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, 360746768 + ... + 360747143.

It is an arithmetic number, because the mean of its divisors is an integer number (20201829536).

Almost surely, 2^135640855268 is an apocalyptic number.

It is an amenable number.

135640855268 is a deficient number, since it is larger than the sum of its proper divisors (106781099164).

135640855268 is a wasteful number, since it uses less digits than its factorization.

135640855268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721493962 (or 721493960 counting only the distinct ones).

The product of its (nonzero) digits is 6912000, while the sum is 53.

The spelling of 135640855268 in words is "one hundred thirty-five billion, six hundred forty million, eight hundred fifty-five thousand, two hundred sixty-eight".