133159993922 has 6 divisors (see below), whose sum is σ = 199740764979. Its totient is φ = 66579738930.

The previous prime is 133159993871. The next prime is 133159993931. The reversal of 133159993922 is 229399951331.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 66579996961 + 66579996961 = 258031^2 + 258031^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=258031.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 387047 + ... + 645077.

Almost surely, 2^133159993922 is an apocalyptic number.

133159993922 is a deficient number, since it is larger than the sum of its proper divisors (66580771057).

133159993922 is an frugal number, since it uses more digits than its factorization.

133159993922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516064 (or 258033 counting only the distinct ones).

The product of its digits is 3542940, while the sum is 56.

The spelling of 133159993922 in words is "one hundred thirty-three billion, one hundred fifty-nine million, nine hundred ninety-three thousand, nine hundred twenty-two".