134917 has 2 divisors, whose sum is σ = 134918. Its totient is φ = 134916.

The previous prime is 134909. The next prime is 134921. The reversal of 134917 is 719431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 133956 + 961 = 366^2 + 31^2 .

It is a cyclic number.

It is not a de Polignac number, because 134917 - 2³ = 134909 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 134891 and 134900.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67458 + 67459.

It is an arithmetic number, because the mean of its divisors is an integer number (67459).

2¹³⁴⁹¹⁷ is an apocalyptic number.

It is an amenable number.

134917 is a deficient number, since it is larger than the sum of its proper divisors (1).

134917 is an equidigital number, since it uses as much as digits as its factorization.

134917 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 756, while the sum is 25.

The square root of 134917 is about 367.3104953578. The cubic root of 134917 is about 51.2887630596.

The spelling of 134917 in words is "one hundred thirty-four thousand, nine hundred seventeen".