133121233464580 has 48 divisors (see below), whose sum is σ = 284311512354240. Its totient is φ = 52342531776128.

The previous prime is 133121233464511. The next prime is 133121233464581. The reversal of 133121233464580 is 85464332121331.

It is a super-2 number, since 2×133121233464580² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 133121233464580.

It is not an unprimeable number, because it can be changed into a prime (133121233464581) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14263434 + ... + 21672286.

It is an arithmetic number, because the mean of its divisors is an integer number (5923156507380).

Almost surely, 2^{133121233464580} is an apocalyptic number.

133121233464580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133121233464580 is an abundant number, since it is smaller than the sum of its proper divisors (151190278889660).

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

133121233464580 is a wasteful number, since it uses less digits than its factorization.

133121233464580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7424148 (or 7424146 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 46.

The spelling of 133121233464580 in words is "one hundred thirty-three trillion, one hundred twenty-one billion, two hundred thirty-three million, four hundred sixty-four thousand, five hundred eighty".