133391137200 has 120 divisors (see below), whose sum is σ = 427390265808. Its totient is φ = 35563146240.

The previous prime is 133391137169. The next prime is 133391137213. The reversal of 133391137200 is 2731193331.

It is a tau number, because it is divible by the number of its divisors (120).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7235194 + ... + 7253606.

Almost surely, 2^133391137200 is an apocalyptic number.

133391137200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133391137200 is an abundant number, since it is smaller than the sum of its proper divisors (293999128608).

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

133391137200 is a wasteful number, since it uses less digits than its factorization.

133391137200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24471 (or 24460 counting only the distinct ones).

The product of its (nonzero) digits is 10206, while the sum is 33.

The spelling of 133391137200 in words is "one hundred thirty-three billion, three hundred ninety-one million, one hundred thirty-seven thousand, two hundred".