135224032 has 48 divisors (see below), whose sum is σ = 272894832. Its totient is φ = 65940480.

The previous prime is 135224021. The next prime is 135224039. The reversal of 135224032 is 230422531.

It is a junction number, because it is equal to n+sod(n) for n = 135223994 and 135224012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135224039) 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, 249682 + ... + 250222.

It is an arithmetic number, because the mean of its divisors is an integer number (5685309).

Almost surely, 2^135224032 is an apocalyptic number.

It is an amenable number.

135224032 is an abundant number, since it is smaller than the sum of its proper divisors (137670800).

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

135224032 is a wasteful number, since it uses less digits than its factorization.

135224032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 731 (or 723 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 135224032 is about 11628.5868444966. The cubic root of 135224032 is about 513.2763970509.

Adding to 135224032 its reverse (230422531), we get a palindrome (365646563).

The spelling of 135224032 in words is "one hundred thirty-five million, two hundred twenty-four thousand, thirty-two".