133521023413200 has 120 divisors (see below), whose sum is σ = 428778960872256. Its totient is φ = 35516814080000.

The previous prime is 133521023413187. The next prime is 133521023413291. The reversal of 133521023413200 is 2314320125331.

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

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

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, 138256356 + ... + 139218755.

Almost surely, 2^{133521023413200} is an apocalyptic number.

133521023413200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133521023413200 is an abundant number, since it is smaller than the sum of its proper divisors (295257937459056).

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

133521023413200 is a wasteful number, since it uses less digits than its factorization.

133521023413200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277475533 (or 277475522 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

Adding to 133521023413200 its reverse (2314320125331), we get a palindrome (135835343538531).

The spelling of 133521023413200 in words is "one hundred thirty-three trillion, five hundred twenty-one billion, twenty-three million, four hundred thirteen thousand, two hundred".