135125632 has 32 divisors (see below), whose sum is σ = 269916480. Its totient is φ = 67382016.

The previous prime is 135125623. The next prime is 135125633. The reversal of 135125632 is 236521531.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 135125632.

It is not an unprimeable number, because it can be changed into a prime (135125633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55513 + ... + 57895.

It is an arithmetic number, because the mean of its divisors is an integer number (8434890).

Almost surely, 2^135125632 is an apocalyptic number.

It is an amenable number.

135125632 is a deficient number, since it is larger than the sum of its proper divisors (134790848).

135125632 is an equidigital number, since it uses as much as digits as its factorization.

135125632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2840 (or 2828 counting only the distinct ones).

The product of its digits is 5400, while the sum is 28.

The square root of 135125632 is about 11624.3551218982. The cubic root of 135125632 is about 513.1518662937.

The spelling of 135125632 in words is "one hundred thirty-five million, one hundred twenty-five thousand, six hundred thirty-two".