135125660 has 24 divisors (see below), whose sum is σ = 287186256. Its totient is φ = 53398400.

The previous prime is 135125659. The next prime is 135125671. The reversal of 135125660 is 66521531.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39041 + ... + 42360.

It is an arithmetic number, because the mean of its divisors is an integer number (11966094).

Almost surely, 2^135125660 is an apocalyptic number.

135125660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135125660 is an abundant number, since it is smaller than the sum of its proper divisors (152060596).

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

135125660 is a wasteful number, since it uses less digits than its factorization.

135125660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81493 (or 81491 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 135125660 is about 11624.3563262660. The cubic root of 135125660 is about 513.1519017379.

The spelling of 135125660 in words is "one hundred thirty-five million, one hundred twenty-five thousand, six hundred sixty".