133061317 has 2 divisors, whose sum is σ = 133061318. Its totient is φ = 133061316.

The previous prime is 133061311. The next prime is 133061347. The reversal of 133061317 is 713160331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 115971361 + 17089956 = 10769^2 + 4134^2 .

It is a cyclic number.

It is not a de Polignac number, because 133061317 - 2⁷ = 133061189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 133061291 and 133061300.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133061311) 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, 66530658 + 66530659.

It is an arithmetic number, because the mean of its divisors is an integer number (66530659).

Almost surely, 2^133061317 is an apocalyptic number.

It is an amenable number.

133061317 is a deficient number, since it is larger than the sum of its proper divisors (1).

133061317 is an equidigital number, since it uses as much as digits as its factorization.

133061317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1134, while the sum is 25.

The square root of 133061317 is about 11535.2207174375. The cubic root of 133061317 is about 510.5253039349.

The spelling of 133061317 in words is "one hundred thirty-three million, sixty-one thousand, three hundred seventeen".