134937217 has 2 divisors, whose sum is σ = 134937218. Its totient is φ = 134937216.

The previous prime is 134937193. The next prime is 134937223. The reversal of 134937217 is 712739431.

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., 110691441 + 24245776 = 10521^2 + 4924^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134937217 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (134937227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67468608 + 67468609.

It is an arithmetic number, because the mean of its divisors is an integer number (67468609).

Almost surely, 2^134937217 is an apocalyptic number.

It is an amenable number.

134937217 is a deficient number, since it is larger than the sum of its proper divisors (1).

134937217 is an equidigital number, since it uses as much as digits as its factorization.

134937217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31752, while the sum is 37.

The square root of 134937217 is about 11616.2479742815. The cubic root of 134937217 is about 512.9132476573.

The spelling of 134937217 in words is "one hundred thirty-four million, nine hundred thirty-seven thousand, two hundred seventeen".