134585879 has 2 divisors, whose sum is σ = 134585880. Its totient is φ = 134585878.

The previous prime is 134585813. The next prime is 134585881. The reversal of 134585879 is 978585431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 134585879 - 2⁸ = 134585623 is a prime.

It is a super-2 number, since 2×134585879² = 36226717652405282, which contains 22 as substring.

Together with 134585881, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134515879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67292939 + 67292940.

It is an arithmetic number, because the mean of its divisors is an integer number (67292940).

Almost surely, 2^134585879 is an apocalyptic number.

134585879 is a deficient number, since it is larger than the sum of its proper divisors (1).

134585879 is an equidigital number, since it uses as much as digits as its factorization.

134585879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1209600, while the sum is 50.

The square root of 134585879 is about 11601.1154205102. The cubic root of 134585879 is about 512.4677008397.

The spelling of 134585879 in words is "one hundred thirty-four million, five hundred eighty-five thousand, eight hundred seventy-nine".