133045589 has 2 divisors, whose sum is σ = 133045590. Its totient is φ = 133045588.

The previous prime is 133045573. The next prime is 133045609. The reversal of 133045589 is 985540331.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 126112900 + 6932689 = 11230^2 + 2633^2 .

It is a cyclic number.

It is not a de Polignac number, because 133045589 - 2⁴ = 133045573 is a prime.

It is a super-2 number, since 2×133045589² = 35402257504713842, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133045189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66522794 + 66522795.

It is an arithmetic number, because the mean of its divisors is an integer number (66522795).

Almost surely, 2^133045589 is an apocalyptic number.

It is an amenable number.

133045589 is a deficient number, since it is larger than the sum of its proper divisors (1).

133045589 is an equidigital number, since it uses as much as digits as its factorization.

133045589 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64800, while the sum is 38.

The square root of 133045589 is about 11534.5389591435. The cubic root of 133045589 is about 510.5051882505.

The spelling of 133045589 in words is "one hundred thirty-three million, forty-five thousand, five hundred eighty-nine".