133139299 has 2 divisors, whose sum is σ = 133139300. Its totient is φ = 133139298.

The previous prime is 133139269. The next prime is 133139317. The reversal of 133139299 is 992931331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 133139299 - 2²⁵ = 99584867 is a prime.

It is a super-2 number, since 2×133139299² = 35452145876422802, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (133139269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66569649 + 66569650.

It is an arithmetic number, because the mean of its divisors is an integer number (66569650).

Almost surely, 2^133139299 is an apocalyptic number.

133139299 is a deficient number, since it is larger than the sum of its proper divisors (1).

133139299 is an equidigital number, since it uses as much as digits as its factorization.

133139299 is an evil number, because the sum of its binary digits is even.

The product of its digits is 39366, while the sum is 40.

The square root of 133139299 is about 11538.6003917286. The cubic root of 133139299 is about 510.6250173861.

The spelling of 133139299 in words is "one hundred thirty-three million, one hundred thirty-nine thousand, two hundred ninety-nine".