133016603 has 2 divisors, whose sum is σ = 133016604. Its totient is φ = 133016602.

The previous prime is 133016579. The next prime is 133016617. The reversal of 133016603 is 306610331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 133016603 - 2¹⁰ = 133015579 is a prime.

It is not a weakly prime, because it can be changed into another prime (133016623) 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, 66508301 + 66508302.

It is an arithmetic number, because the mean of its divisors is an integer number (66508302).

Almost surely, 2^133016603 is an apocalyptic number.

133016603 is a deficient number, since it is larger than the sum of its proper divisors (1).

133016603 is an equidigital number, since it uses as much as digits as its factorization.

133016603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 23.

The square root of 133016603 is about 11533.2824035484. The cubic root of 133016603 is about 510.4681117911.

Adding to 133016603 its reverse (306610331), we get a palindrome (439626934).

The spelling of 133016603 in words is "one hundred thirty-three million, sixteen thousand, six hundred three".