133140880 has 20 divisors (see below), whose sum is σ = 309552732. Its totient is φ = 53256320.

The previous prime is 133140869. The next prime is 133140883. The reversal of 133140880 is 88041331.

133140880 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 76108176 + 57032704 = 8724^2 + 7552^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (133140883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 832051 + ... + 832210.

Almost surely, 2^133140880 is an apocalyptic number.

133140880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133140880 is an abundant number, since it is smaller than the sum of its proper divisors (176411852).

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

133140880 is a wasteful number, since it uses less digits than its factorization.

133140880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1664274 (or 1664268 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 133140880 is about 11538.6689007008. The cubic root of 133140880 is about 510.6270385648.

The spelling of 133140880 in words is "one hundred thirty-three million, one hundred forty thousand, eight hundred eighty".