135125604 has 48 divisors (see below), whose sum is σ = 350996800. Its totient is φ = 44955648.

The previous prime is 135125603. The next prime is 135125623. The reversal of 135125604 is 406521531.

135125604 is a `hidden beast` number, since 1 + 3 + 51 + 2 + 5 + 604 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (135125603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82239 + ... + 83865.

Almost surely, 2^135125604 is an apocalyptic number.

It is an amenable number.

135125604 is an abundant number, since it is smaller than the sum of its proper divisors (215871196).

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

135125604 is a wasteful number, since it uses less digits than its factorization.

135125604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2409 (or 2401 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 135125604 is about 11624.3539175302. The cubic root of 135125604 is about 513.1518308496.

The spelling of 135125604 in words is "one hundred thirty-five million, one hundred twenty-five thousand, six hundred four".