2133130091 has 2 divisors, whose sum is σ = 2133130092. Its totient is φ = 2133130090.

The previous prime is 2133130049. The next prime is 2133130099. The reversal of 2133130091 is 1900313312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2133130091 - 2²⁶ = 2066021227 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2133130099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1066565045 + 1066565046.

It is an arithmetic number, because the mean of its divisors is an integer number (1066565046).

Almost surely, 2^2133130091 is an apocalyptic number.

2133130091 is a deficient number, since it is larger than the sum of its proper divisors (1).

2133130091 is an equidigital number, since it uses as much as digits as its factorization.

2133130091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486, while the sum is 23.

The square root of 2133130091 is about 46185.8213199679. The cubic root of 2133130091 is about 1287.2782972768.

The spelling of 2133130091 in words is "two billion, one hundred thirty-three million, one hundred thirty thousand, ninety-one".