133136603 has 2 divisors, whose sum is σ = 133136604. Its totient is φ = 133136602.

The previous prime is 133136527. The next prime is 133136617. The reversal of 133136603 is 306631331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 133136603 - 2¹⁶ = 133071067 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (133136803) 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, 66568301 + 66568302.

It is an arithmetic number, because the mean of its divisors is an integer number (66568302).

Almost surely, 2^133136603 is an apocalyptic number.

133136603 is a deficient number, since it is larger than the sum of its proper divisors (1).

133136603 is an equidigital number, since it uses as much as digits as its factorization.

133136603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 26.

The square root of 133136603 is about 11538.4835658764. The cubic root of 133136603 is about 510.6215707344.

Adding to 133136603 its reverse (306631331), we get a palindrome (439767934).

The spelling of 133136603 in words is "one hundred thirty-three million, one hundred thirty-six thousand, six hundred three".