135232432 has 40 divisors (see below), whose sum is σ = 269951472. Its totient is φ = 65587200.

The previous prime is 135232417. The next prime is 135232439. The reversal of 135232432 is 234232531.

135232432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 135232397 and 135232406.

It is not an unprimeable number, because it can be changed into a prime (135232439) 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, 137928 + ... + 138904.

Almost surely, 2^135232432 is an apocalyptic number.

It is an amenable number.

135232432 is a deficient number, since it is larger than the sum of its proper divisors (134719040).

135232432 is a wasteful number, since it uses less digits than its factorization.

135232432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1237 (or 1231 counting only the distinct ones).

The product of its digits is 4320, while the sum is 25.

The square root of 135232432 is about 11628.9480177701. The cubic root of 135232432 is about 513.2870249262.

Adding to 135232432 its reverse (234232531), we get a palindrome (369464963).

Subtracting 135232432 from its reverse (234232531), we obtain a palindrome (99000099).

The spelling of 135232432 in words is "one hundred thirty-five million, two hundred thirty-two thousand, four hundred thirty-two".