135023664 has 20 divisors (see below), whose sum is σ = 348811256. Its totient is φ = 45007872.

The previous prime is 135023659. The next prime is 135023687. The reversal of 135023664 is 466320531.

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, 1406449 + ... + 1406544.

Almost surely, 2^135023664 is an apocalyptic number.

It is an amenable number.

135023664 is an abundant number, since it is smaller than the sum of its proper divisors (213787592).

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

135023664 is a wasteful number, since it uses less digits than its factorization.

135023664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2813004 (or 2812998 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 135023664 is about 11619.9683304216. The cubic root of 135023664 is about 513.0227562302.

The spelling of 135023664 in words is "one hundred thirty-five million, twenty-three thousand, six hundred sixty-four".