133362209 has 2 divisors, whose sum is σ = 133362210. Its totient is φ = 133362208.

The previous prime is 133362193. The next prime is 133362233. The reversal of 133362209 is 902263331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71031184 + 62331025 = 8428^2 + 7895^2 .

It is a cyclic number.

It is not a de Polignac number, because 133362209 - 2⁴ = 133362193 is a prime.

It is not a weakly prime, because it can be changed into another prime (133362259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66681104 + 66681105.

It is an arithmetic number, because the mean of its divisors is an integer number (66681105).

Almost surely, 2^133362209 is an apocalyptic number.

It is an amenable number.

133362209 is a deficient number, since it is larger than the sum of its proper divisors (1).

133362209 is an equidigital number, since it uses as much as digits as its factorization.

133362209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 29.

The square root of 133362209 is about 11548.2556691476. The cubic root of 133362209 is about 510.9098317599.

The spelling of 133362209 in words is "one hundred thirty-three million, three hundred sixty-two thousand, two hundred nine".