134668307 has 2 divisors, whose sum is σ = 134668308. Its totient is φ = 134668306.

The previous prime is 134668279. The next prime is 134668319. The reversal of 134668307 is 703866431.

It is a strong prime.

It is an emirp because it is prime and its reverse (703866431) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134668307 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (134668337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67334153 + 67334154.

It is an arithmetic number, because the mean of its divisors is an integer number (67334154).

Almost surely, 2^134668307 is an apocalyptic number.

134668307 is a deficient number, since it is larger than the sum of its proper divisors (1).

134668307 is an equidigital number, since it uses as much as digits as its factorization.

134668307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 134668307 is about 11604.6674661534. The cubic root of 134668307 is about 512.5723008844.

The spelling of 134668307 in words is "one hundred thirty-four million, six hundred sixty-eight thousand, three hundred seven".