133499 has 2 divisors, whose sum is σ = 133500. Its totient is φ = 133498.

The previous prime is 133493. The next prime is 133519. The reversal of 133499 is 994331.

133499 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 133499 - 2¹² = 129403 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a plaindrome in base 10.

It is not a weakly prime, because it can be changed into another prime (133493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66749 + 66750.

It is an arithmetic number, because the mean of its divisors is an integer number (66750).

2¹³³⁴⁹⁹ is an apocalyptic number.

133499 is a deficient number, since it is larger than the sum of its proper divisors (1).

133499 is an equidigital number, since it uses as much as digits as its factorization.

133499 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2916, while the sum is 29.

The square root of 133499 is about 365.3751496750. The cubic root of 133499 is about 51.1084453906.

The spelling of 133499 in words is "one hundred thirty-three thousand, four hundred ninety-nine".