134894717 has 2 divisors, whose sum is σ = 134894718. Its totient is φ = 134894716.

The previous prime is 134894687. The next prime is 134894743. The reversal of 134894717 is 717498431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74459641 + 60435076 = 8629^2 + 7774^2 .

It is a cyclic number.

It is not a de Polignac number, because 134894717 - 2¹² = 134890621 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134894777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67447358 + 67447359.

It is an arithmetic number, because the mean of its divisors is an integer number (67447359).

Almost surely, 2^134894717 is an apocalyptic number.

It is an amenable number.

134894717 is a deficient number, since it is larger than the sum of its proper divisors (1).

134894717 is an equidigital number, since it uses as much as digits as its factorization.

134894717 is an evil number, because the sum of its binary digits is even.

The product of its digits is 169344, while the sum is 44.

The square root of 134894717 is about 11614.4184959902. The cubic root of 134894717 is about 512.8593927301.

The spelling of 134894717 in words is "one hundred thirty-four million, eight hundred ninety-four thousand, seven hundred seventeen".