133340017 has 2 divisors, whose sum is σ = 133340018. Its totient is φ = 133340016.

The previous prime is 133340003. The next prime is 133340023. The reversal of 133340017 is 710043331.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 132342016 + 998001 = 11504^2 + 999^2 .

It is a cyclic number.

It is not a de Polignac number, because 133340017 - 2¹⁹ = 132815729 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 133340017.

It is not a weakly prime, because it can be changed into another prime (133340047) 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, 66670008 + 66670009.

It is an arithmetic number, because the mean of its divisors is an integer number (66670009).

Almost surely, 2^133340017 is an apocalyptic number.

It is an amenable number.

133340017 is a deficient number, since it is larger than the sum of its proper divisors (1).

133340017 is an equidigital number, since it uses as much as digits as its factorization.

133340017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 22.

The square root of 133340017 is about 11547.2947914219. The cubic root of 133340017 is about 510.8814910478.

Adding to 133340017 its reverse (710043331), we get a palindrome (843383348).

The spelling of 133340017 in words is "one hundred thirty-three million, three hundred forty thousand, seventeen".