135222032 has 40 divisors (see below), whose sum is σ = 288677952. Its totient is φ = 60848000.

The previous prime is 135222001. The next prime is 135222053. The reversal of 135222032 is 230222531.

It is a junction number, because it is equal to n+sod(n) for n = 135221995 and 135222013.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13973 + ... + 21579.

Almost surely, 2^135222032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 135222032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144338976).

135222032 is an abundant number, since it is smaller than the sum of its proper divisors (153455920).

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

135222032 is a wasteful number, since it uses less digits than its factorization.

135222032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7727 (or 7721 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 135222032 is about 11628.5008492067. The cubic root of 135222032 is about 513.2738665395.

Adding to 135222032 its reverse (230222531), we get a palindrome (365444563).

The spelling of 135222032 in words is "one hundred thirty-five million, two hundred twenty-two thousand, thirty-two".