135438564 has 12 divisors (see below), whose sum is σ = 316023344. Its totient is φ = 45146184.

The previous prime is 135438553. The next prime is 135438577. The reversal of 135438564 is 465834531.

135438564 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

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, 5643262 + ... + 5643285.

Almost surely, 2^135438564 is an apocalyptic number.

It is an amenable number.

135438564 is an abundant number, since it is smaller than the sum of its proper divisors (180584780).

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

135438564 is a wasteful number, since it uses less digits than its factorization.

135438564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11286554 (or 11286552 counting only the distinct ones).

The product of its digits is 172800, while the sum is 39.

The square root of 135438564 is about 11637.8075254749. The cubic root of 135438564 is about 513.5476901286.

The spelling of 135438564 in words is "one hundred thirty-five million, four hundred thirty-eight thousand, five hundred sixty-four".