134705717 has 2 divisors, whose sum is σ = 134705718. Its totient is φ = 134705716.

The previous prime is 134705689. The next prime is 134705719. The reversal of 134705717 is 717507431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 90801841 + 43903876 = 9529^2 + 6626^2 .

It is a cyclic number.

It is not a de Polignac number, because 134705717 - 2⁶ = 134705653 is a prime.

Together with 134705719, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134705719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67352858 + 67352859.

It is an arithmetic number, because the mean of its divisors is an integer number (67352859).

Almost surely, 2^134705717 is an apocalyptic number.

It is an amenable number.

134705717 is a deficient number, since it is larger than the sum of its proper divisors (1).

134705717 is an equidigital number, since it uses as much as digits as its factorization.

134705717 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20580, while the sum is 35.

The square root of 134705717 is about 11606.2792056714. The cubic root of 134705717 is about 512.6197595995.

The spelling of 134705717 in words is "one hundred thirty-four million, seven hundred five thousand, seven hundred seventeen".