135312232 has 16 divisors (see below), whose sum is σ = 276775200. Its totient is φ = 61505520.

The previous prime is 135312211. The next prime is 135312323. The reversal of 135312232 is 232213531.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 768732 + ... + 768907.

It is an arithmetic number, because the mean of its divisors is an integer number (17298450).

Almost surely, 2^135312232 is an apocalyptic number.

It is an amenable number.

135312232 is an abundant number, since it is smaller than the sum of its proper divisors (141462968).

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

135312232 is a wasteful number, since it uses less digits than its factorization.

135312232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1537656 (or 1537652 counting only the distinct ones).

The product of its digits is 1080, while the sum is 22.

The square root of 135312232 is about 11632.3786045675. The cubic root of 135312232 is about 513.3879677987.

Adding to 135312232 its reverse (232213531), we get a palindrome (367525763).

The spelling of 135312232 in words is "one hundred thirty-five million, three hundred twelve thousand, two hundred thirty-two".