134843279 has 2 divisors, whose sum is σ = 134843280. Its totient is φ = 134843278.

The previous prime is 134843263. The next prime is 134843299. The reversal of 134843279 is 972348431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 134843279 - 2⁴ = 134843263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134843249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67421639 + 67421640.

It is an arithmetic number, because the mean of its divisors is an integer number (67421640).

Almost surely, 2^134843279 is an apocalyptic number.

134843279 is a deficient number, since it is larger than the sum of its proper divisors (1).

134843279 is an equidigital number, since it uses as much as digits as its factorization.

134843279 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 41.

The square root of 134843279 is about 11612.2038821233. The cubic root of 134843279 is about 512.7941966624.

The spelling of 134843279 in words is "one hundred thirty-four million, eight hundred forty-three thousand, two hundred seventy-nine".