133896617 has 2 divisors, whose sum is σ = 133896618. Its totient is φ = 133896616.

The previous prime is 133896583. The next prime is 133896649. The reversal of 133896617 is 716698331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 126585001 + 7311616 = 11251^2 + 2704^2 .

It is a cyclic number.

It is not a de Polignac number, because 133896617 - 2⁸ = 133896361 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (133896517) 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, 66948308 + 66948309.

It is an arithmetic number, because the mean of its divisors is an integer number (66948309).

Almost surely, 2^133896617 is an apocalyptic number.

It is an amenable number.

133896617 is a deficient number, since it is larger than the sum of its proper divisors (1).

133896617 is an equidigital number, since it uses as much as digits as its factorization.

133896617 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 163296, while the sum is 44.

The square root of 133896617 is about 11571.3705756924. The cubic root of 133896617 is about 511.5913601901.

The spelling of 133896617 in words is "one hundred thirty-three million, eight hundred ninety-six thousand, six hundred seventeen".