134668799 has 2 divisors, whose sum is σ = 134668800. Its totient is φ = 134668798.

The previous prime is 134668783. The next prime is 134668801. The reversal of 134668799 is 997866431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 134668799 - 2⁴ = 134668783 is a prime.

Together with 134668801, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 134668799.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134668759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67334399 + 67334400.

It is an arithmetic number, because the mean of its divisors is an integer number (67334400).

Almost surely, 2^134668799 is an apocalyptic number.

134668799 is a deficient number, since it is larger than the sum of its proper divisors (1).

134668799 is an equidigital number, since it uses as much as digits as its factorization.

134668799 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1959552, while the sum is 53.

The square root of 134668799 is about 11604.6886645011. The cubic root of 134668799 is about 512.5729250977.

The spelling of 134668799 in words is "one hundred thirty-four million, six hundred sixty-eight thousand, seven hundred ninety-nine".