134891179 has 2 divisors, whose sum is σ = 134891180. Its totient is φ = 134891178.

The previous prime is 134891173. The next prime is 134891213. The reversal of 134891179 is 971198431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 134891179 - 2⁹ = 134890667 is a prime.

It is equal to p_7639639 and since 134891179 and 7639639 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (134891173) 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, 67445589 + 67445590.

It is an arithmetic number, because the mean of its divisors is an integer number (67445590).

Almost surely, 2^134891179 is an apocalyptic number.

134891179 is a deficient number, since it is larger than the sum of its proper divisors (1).

134891179 is an equidigital number, since it uses as much as digits as its factorization.

134891179 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432, while the sum is 43.

The square root of 134891179 is about 11614.2661843097. The cubic root of 134891179 is about 512.8549089558.

The spelling of 134891179 in words is "one hundred thirty-four million, eight hundred ninety-one thousand, one hundred seventy-nine".