133089708168 has 24 divisors (see below), whose sum is σ = 360451293150. Its totient is φ = 44363236032.

The previous prime is 133089708161. The next prime is 133089708179. The reversal of 133089708168 is 861807980331.

133089708168 is a `hidden beast` number, since 1 + 330 + 89 + 70 + 8 + 168 = 666.

It can be written as a sum of positive squares in only one way, i.e., 112908096324 + 20181611844 = 336018^2 + 142062^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (133089708161) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 924234013 + ... + 924234156.

Almost surely, 2^133089708168 is an apocalyptic number.

133089708168 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

133089708168 is an abundant number, since it is smaller than the sum of its proper divisors (227361584982).

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

133089708168 is a wasteful number, since it uses less digits than its factorization.

133089708168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1848468181 (or 1848468174 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 54.

The spelling of 133089708168 in words is "one hundred thirty-three billion, eighty-nine million, seven hundred eight thousand, one hundred sixty-eight".