133800912 has 60 divisors (see below), whose sum is σ = 427953760. Its totient is φ = 38228544.

The previous prime is 133800899. The next prime is 133800923. The reversal of 133800912 is 219008331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65362 + ... + 67377.

Almost surely, 2^133800912 is an apocalyptic number.

133800912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

133800912 is an abundant number, since it is smaller than the sum of its proper divisors (294152848).

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

133800912 is a wasteful number, since it uses less digits than its factorization.

133800912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132760 (or 132751 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 133800912 is about 11567.2344145003. The cubic root of 133800912 is about 511.4694414483.

The spelling of 133800912 in words is "one hundred thirty-three million, eight hundred thousand, nine hundred twelve".