133197909587788 has 24 divisors (see below), whose sum is σ = 233242069511360. Its totient is φ = 66557322190080.

The previous prime is 133197909587761. The next prime is 133197909587789. The reversal of 133197909587788 is 887785909791331.

133197909587788 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (133197909587789) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139591453 + ... + 140542411.

Almost surely, 2^{133197909587788} is an apocalyptic number.

It is an amenable number.

133197909587788 is a deficient number, since it is larger than the sum of its proper divisors (100044159923572).

133197909587788 is a wasteful number, since it uses less digits than its factorization.

133197909587788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 972817 (or 972815 counting only the distinct ones).

The product of its (nonzero) digits is 5761082880, while the sum is 85.

The spelling of 133197909587788 in words is "one hundred thirty-three trillion, one hundred ninety-seven billion, nine hundred nine million, five hundred eighty-seven thousand, seven hundred eighty-eight".