135125232 has 40 divisors (see below), whose sum is σ = 380808960. Its totient is φ = 40946880.

The previous prime is 135125227. The next prime is 135125233. The reversal of 135125232 is 232521531.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135125233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127432 + ... + 128487.

It is an arithmetic number, because the mean of its divisors is an integer number (9520224).

Almost surely, 2^135125232 is an apocalyptic number.

135125232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

135125232 is an abundant number, since it is smaller than the sum of its proper divisors (245683728).

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

135125232 is a wasteful number, since it uses less digits than its factorization.

135125232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255941 (or 255935 counting only the distinct ones).

The product of its digits is 1800, while the sum is 24.

The square root of 135125232 is about 11624.3379166299. The cubic root of 135125232 is about 513.1513599478.

Adding to 135125232 its reverse (232521531), we get a palindrome (367646763).

The spelling of 135125232 in words is "one hundred thirty-five million, one hundred twenty-five thousand, two hundred thirty-two".