133240099 has 2 divisors, whose sum is σ = 133240100. Its totient is φ = 133240098.

The previous prime is 133240097. The next prime is 133240157. The reversal of 133240099 is 990042331.

It is a weak prime.

It is an emirp because it is prime and its reverse (990042331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 133240099 - 2¹ = 133240097 is a prime.

Together with 133240097, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 133240099.

It is not a weakly prime, because it can be changed into another prime (133240097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66620049 + 66620050.

It is an arithmetic number, because the mean of its divisors is an integer number (66620050).

Almost surely, 2^133240099 is an apocalyptic number.

133240099 is a deficient number, since it is larger than the sum of its proper divisors (1).

133240099 is an equidigital number, since it uses as much as digits as its factorization.

133240099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 133240099 is about 11542.9675127326. The cubic root of 133240099 is about 510.7538499146.

The spelling of 133240099 in words is "one hundred thirty-three million, two hundred forty thousand, ninety-nine".