134843479 has 4 divisors (see below), whose sum is σ = 135230200. Its totient is φ = 134456760.

The previous prime is 134843477. The next prime is 134843537. The reversal of 134843479 is 974348431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 974348431 = 7 ⋅139192633.

It is a cyclic number.

It is not a de Polignac number, because 134843479 - 2¹ = 134843477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134843477) 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 in 3 ways as a sum of consecutive naturals, for example, 192837 + ... + 193534.

It is an arithmetic number, because the mean of its divisors is an integer number (33807550).

Almost surely, 2^134843479 is an apocalyptic number.

134843479 is a deficient number, since it is larger than the sum of its proper divisors (386721).

134843479 is an equidigital number, since it uses as much as digits as its factorization.

134843479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386720.

The product of its digits is 290304, while the sum is 43.

The square root of 134843479 is about 11612.2124937498. The cubic root of 134843479 is about 512.7944501883.

The spelling of 134843479 in words is "one hundred thirty-four million, eight hundred forty-three thousand, four hundred seventy-nine".