134423579 has 2 divisors, whose sum is σ = 134423580. Its totient is φ = 134423578.

The previous prime is 134423467. The next prime is 134423581. The reversal of 134423579 is 975324431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 134423579 - 2¹⁶ = 134358043 is a prime.

Together with 134423581, 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 (134422579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67211789 + 67211790.

It is an arithmetic number, because the mean of its divisors is an integer number (67211790).

Almost surely, 2^134423579 is an apocalyptic number.

134423579 is a deficient number, since it is larger than the sum of its proper divisors (1).

134423579 is an equidigital number, since it uses as much as digits as its factorization.

134423579 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 38.

The square root of 134423579 is about 11594.1182933417. The cubic root of 134423579 is about 512.2616193785.

The spelling of 134423579 in words is "one hundred thirty-four million, four hundred twenty-three thousand, five hundred seventy-nine".