134356679 has 2 divisors, whose sum is σ = 134356680. Its totient is φ = 134356678.

The previous prime is 134356601. The next prime is 134356693. The reversal of 134356679 is 976653431.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134356679 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134356699) 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, 67178339 + 67178340.

It is an arithmetic number, because the mean of its divisors is an integer number (67178340).

Almost surely, 2^134356679 is an apocalyptic number.

134356679 is a deficient number, since it is larger than the sum of its proper divisors (1).

134356679 is an equidigital number, since it uses as much as digits as its factorization.

134356679 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 408240, while the sum is 44.

The square root of 134356679 is about 11591.2328507368. The cubic root of 134356679 is about 512.1766243962.

The spelling of 134356679 in words is "one hundred thirty-four million, three hundred fifty-six thousand, six hundred seventy-nine".