134668223 has 2 divisors, whose sum is σ = 134668224. Its totient is φ = 134668222.

The previous prime is 134668213. The next prime is 134668253. The reversal of 134668223 is 322866431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 134668223 - 2⁶ = 134668159 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134668213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67334111 + 67334112.

It is an arithmetic number, because the mean of its divisors is an integer number (67334112).

Almost surely, 2^134668223 is an apocalyptic number.

134668223 is a deficient number, since it is larger than the sum of its proper divisors (1).

134668223 is an equidigital number, since it uses as much as digits as its factorization.

134668223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41472, while the sum is 35.

The square root of 134668223 is about 11604.6638469195. The cubic root of 134668223 is about 512.5721943112.

The spelling of 134668223 in words is "one hundred thirty-four million, six hundred sixty-eight thousand, two hundred twenty-three".