68134459 has 2 divisors, whose sum is σ = 68134460. Its totient is φ = 68134458.

The previous prime is 68134457. The next prime is 68134471. The reversal of 68134459 is 95443186.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68134459 - 2¹ = 68134457 is a prime.

Together with 68134457, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (68134457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34067229 + 34067230.

It is an arithmetic number, because the mean of its divisors is an integer number (34067230).

Almost surely, 2^68134459 is an apocalyptic number.

68134459 is a deficient number, since it is larger than the sum of its proper divisors (1).

68134459 is an equidigital number, since it uses as much as digits as its factorization.

68134459 is an evil number, because the sum of its binary digits is even.

The product of its digits is 103680, while the sum is 40.

The square root of 68134459 is about 8254.3599994185. The cubic root of 68134459 is about 408.4343601570.

The spelling of 68134459 in words is "sixty-eight million, one hundred thirty-four thousand, four hundred fifty-nine".