133169915880 has 48 divisors (see below), whose sum is σ = 432802227780. Its totient is φ = 35511977472.

The previous prime is 133169915873. The next prime is 133169915891. The reversal of 133169915880 is 88519961331.

133169915880 is a `hidden beast` number, since 13 + 316 + 99 + 158 + 80 = 666.

133169915880 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 131843062404 + 1326853476 = 363102^2 + 36426^2 .

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 184957857 + ... + 184958576.

Almost surely, 2^133169915880 is an apocalyptic number.

133169915880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133169915880 is an abundant number, since it is smaller than the sum of its proper divisors (299632311900).

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

133169915880 is a wasteful number, since it uses less digits than its factorization.

133169915880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369916450 (or 369916443 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 54.

The spelling of 133169915880 in words is "one hundred thirty-three billion, one hundred sixty-nine million, nine hundred fifteen thousand, eight hundred eighty".