135233688 has 32 divisors (see below), whose sum is σ = 338641200. Its totient is φ = 45003648.

The previous prime is 135233669. The next prime is 135233713. The reversal of 135233688 is 886332531.

It is a congruent number.

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, 11358 + ... + 19986.

Almost surely, 2^135233688 is an apocalyptic number.

It is an amenable number.

135233688 is an abundant number, since it is smaller than the sum of its proper divisors (203407512).

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

135233688 is a wasteful number, since it uses less digits than its factorization.

135233688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9291 (or 9287 counting only the distinct ones).

The product of its digits is 103680, while the sum is 39.

The square root of 135233688 is about 11629.0020208099. The cubic root of 135233688 is about 513.2886140088.

The spelling of 135233688 in words is "one hundred thirty-five million, two hundred thirty-three thousand, six hundred eighty-eight".