133366133 has 2 divisors, whose sum is σ = 133366134. Its totient is φ = 133366132.

The previous prime is 133366127. The next prime is 133366147. The reversal of 133366133 is 331663331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 126720049 + 6646084 = 11257^2 + 2578^2 .

It is a cyclic number.

It is not a de Polignac number, because 133366133 - 2¹⁸ = 133103989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 133366096 and 133366105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133366183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66683066 + 66683067.

It is an arithmetic number, because the mean of its divisors is an integer number (66683067).

Almost surely, 2^133366133 is an apocalyptic number.

It is an amenable number.

133366133 is a deficient number, since it is larger than the sum of its proper divisors (1).

133366133 is an equidigital number, since it uses as much as digits as its factorization.

133366133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8748, while the sum is 29.

The square root of 133366133 is about 11548.4255636862. The cubic root of 133366133 is about 510.9148426510.

The spelling of 133366133 in words is "one hundred thirty-three million, three hundred sixty-six thousand, one hundred thirty-three".