133411717 has 2 divisors, whose sum is σ = 133411718. Its totient is φ = 133411716.

The previous prime is 133411703. The next prime is 133411721. The reversal of 133411717 is 717114331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 129026881 + 4384836 = 11359^2 + 2094^2 .

It is a cyclic number.

It is not a de Polignac number, because 133411717 - 2⁷ = 133411589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133411727) 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, 66705858 + 66705859.

It is an arithmetic number, because the mean of its divisors is an integer number (66705859).

Almost surely, 2^133411717 is an apocalyptic number.

It is an amenable number.

133411717 is a deficient number, since it is larger than the sum of its proper divisors (1).

133411717 is an equidigital number, since it uses as much as digits as its factorization.

133411717 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1764, while the sum is 28.

The square root of 133411717 is about 11550.3989974373. The cubic root of 133411717 is about 510.9730455564.

The spelling of 133411717 in words is "one hundred thirty-three million, four hundred eleven thousand, seven hundred seventeen".