133811099 has 2 divisors, whose sum is σ = 133811100. Its totient is φ = 133811098.

The previous prime is 133811077. The next prime is 133811107. The reversal of 133811099 is 990118331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 133811099 - 2²⁰ = 132762523 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (133811009) 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, 66905549 + 66905550.

It is an arithmetic number, because the mean of its divisors is an integer number (66905550).

Almost surely, 2^133811099 is an apocalyptic number.

133811099 is a deficient number, since it is larger than the sum of its proper divisors (1).

133811099 is an equidigital number, since it uses as much as digits as its factorization.

133811099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 35.

The square root of 133811099 is about 11567.6747447359. The cubic root of 133811099 is about 511.4824214469.

The spelling of 133811099 in words is "one hundred thirty-three million, eight hundred eleven thousand, ninety-nine".