135604344 has 32 divisors (see below), whose sum is σ = 339419520. Its totient is φ = 45146976.

The previous prime is 135604331. The next prime is 135604363. The reversal of 135604344 is 443406531.

It is a super-2 number, since 2×135604344² = 36777076223340672, which 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 7 ways as a sum of consecutive naturals, for example, 20287 + ... + 26129.

It is an arithmetic number, because the mean of its divisors is an integer number (10606860).

Almost surely, 2^135604344 is an apocalyptic number.

It is an amenable number.

135604344 is an abundant number, since it is smaller than the sum of its proper divisors (203815176).

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

135604344 is a wasteful number, since it uses less digits than its factorization.

135604344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6819 (or 6815 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 135604344 is about 11644.9278228764. The cubic root of 135604344 is about 513.7571361954.

The spelling of 135604344 in words is "one hundred thirty-five million, six hundred four thousand, three hundred forty-four".