133312099 has 2 divisors, whose sum is σ = 133312100. Its totient is φ = 133312098.

The previous prime is 133312087. The next prime is 133312103. The reversal of 133312099 is 990213331.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133312099 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 133312099.

It is not a weakly prime, because it can be changed into another prime (133312199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66656049 + 66656050.

It is an arithmetic number, because the mean of its divisors is an integer number (66656050).

Almost surely, 2^133312099 is an apocalyptic number.

133312099 is a deficient number, since it is larger than the sum of its proper divisors (1).

133312099 is an equidigital number, since it uses as much as digits as its factorization.

133312099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4374, while the sum is 31.

The square root of 133312099 is about 11546.0858735764. The cubic root of 133312099 is about 510.8458333727.

The spelling of 133312099 in words is "one hundred thirty-three million, three hundred twelve thousand, ninety-nine".