133652992 has 80 divisors (see below), whose sum is σ = 306900000. Its totient is φ = 57507840.

The previous prime is 133652971. The next prime is 133653017. The reversal of 133652992 is 299256331.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106384 + ... + 107632.

It is an arithmetic number, because the mean of its divisors is an integer number (3836250).

Almost surely, 2^133652992 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 133652992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153450000).

133652992 is an abundant number, since it is smaller than the sum of its proper divisors (173247008).

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

133652992 is a wasteful number, since it uses less digits than its factorization.

133652992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1297 (or 1281 counting only the distinct ones).

The product of its digits is 87480, while the sum is 40.

The square root of 133652992 is about 11560.8387238989. The cubic root of 133652992 is about 511.2808915204.

The spelling of 133652992 in words is "one hundred thirty-three million, six hundred fifty-two thousand, nine hundred ninety-two".