135604532 has 12 divisors (see below), whose sum is σ = 271209120. Its totient is φ = 58116216.

The previous prime is 135604451. The next prime is 135604543. The reversal of 135604532 is 235406531.

135604532 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 135604495 and 135604504.

It is a congruent number.

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, 2421482 + ... + 2421537.

It is an arithmetic number, because the mean of its divisors is an integer number (22600760).

Almost surely, 2^135604532 is an apocalyptic number.

It is an amenable number.

135604532 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

135604532 is a wasteful number, since it uses less digits than its factorization.

135604532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4843030 (or 4843028 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 135604532 is about 11644.9358950576. The cubic root of 135604532 is about 513.7573736172.

The spelling of 135604532 in words is "one hundred thirty-five million, six hundred four thousand, five hundred thirty-two".