133930717 has 2 divisors, whose sum is σ = 133930718. Its totient is φ = 133930716.

The previous prime is 133930669. The next prime is 133930721. The reversal of 133930717 is 717039331.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77545636 + 56385081 = 8806^2 + 7509^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133930717 is a prime.

It is a super-2 number, since 2×133930717² = 35874873912268178, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133930117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66965358 + 66965359.

It is an arithmetic number, because the mean of its divisors is an integer number (66965359).

Almost surely, 2^133930717 is an apocalyptic number.

It is an amenable number.

133930717 is a deficient number, since it is larger than the sum of its proper divisors (1).

133930717 is an equidigital number, since it uses as much as digits as its factorization.

133930717 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11907, while the sum is 34.

The square root of 133930717 is about 11572.8439460662. The cubic root of 133930717 is about 511.6347861930.

The spelling of 133930717 in words is "one hundred thirty-three million, nine hundred thirty thousand, seven hundred seventeen".