133172371099 has 2 divisors, whose sum is σ = 133172371100. Its totient is φ = 133172371098.

The previous prime is 133172371067. The next prime is 133172371187. The reversal of 133172371099 is 990173271331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 133172371099 - 2⁵ = 133172371067 is a prime.

It is not a weakly prime, because it can be changed into another prime (133172371799) 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 as a sum of consecutive naturals, namely, 66586185549 + 66586185550.

It is an arithmetic number, because the mean of its divisors is an integer number (66586185550).

Almost surely, 2^133172371099 is an apocalyptic number.

133172371099 is a deficient number, since it is larger than the sum of its proper divisors (1).

133172371099 is an equidigital number, since it uses as much as digits as its factorization.

133172371099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 214326, while the sum is 46.

The spelling of 133172371099 in words is "one hundred thirty-three billion, one hundred seventy-two million, three hundred seventy-one thousand, ninety-nine".