133912199 has 2 divisors, whose sum is σ = 133912200. Its totient is φ = 133912198.

The previous prime is 133912153. The next prime is 133912217. The reversal of 133912199 is 991219331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 133912199 - 2¹⁶ = 133846663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133911199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66956099 + 66956100.

It is an arithmetic number, because the mean of its divisors is an integer number (66956100).

Almost surely, 2^133912199 is an apocalyptic number.

133912199 is a deficient number, since it is larger than the sum of its proper divisors (1).

133912199 is an equidigital number, since it uses as much as digits as its factorization.

133912199 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13122, while the sum is 38.

The square root of 133912199 is about 11572.0438557759. The cubic root of 133912199 is about 511.6112046231.

The spelling of 133912199 in words is "one hundred thirty-three million, nine hundred twelve thousand, one hundred ninety-nine".