133508017 has 2 divisors, whose sum is σ = 133508018. Its totient is φ = 133508016.

The previous prime is 133507981. The next prime is 133508047. The reversal of 133508017 is 710805331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 95179536 + 38328481 = 9756^2 + 6191^2 .

It is a cyclic number.

It is not a de Polignac number, because 133508017 - 2¹⁵ = 133475249 is a prime.

It is not a weakly prime, because it can be changed into another prime (133508047) 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, 66754008 + 66754009.

It is an arithmetic number, because the mean of its divisors is an integer number (66754009).

Almost surely, 2^133508017 is an apocalyptic number.

It is an amenable number.

133508017 is a deficient number, since it is larger than the sum of its proper divisors (1).

133508017 is an equidigital number, since it uses as much as digits as its factorization.

133508017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 133508017 is about 11554.5669326029. The cubic root of 133508017 is about 511.0959604712.

The spelling of 133508017 in words is "one hundred thirty-three million, five hundred eight thousand, seventeen".