43134979 has 4 divisors (see below), whose sum is σ = 43562160. Its totient is φ = 42707800.

The previous prime is 43134961. The next prime is 43134983. The reversal of 43134979 is 97943134.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 43134979 - 2¹¹ = 43132931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43134929) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 213439 + ... + 213640.

It is an arithmetic number, because the mean of its divisors is an integer number (10890540).

Almost surely, 2^43134979 is an apocalyptic number.

43134979 is a deficient number, since it is larger than the sum of its proper divisors (427181).

43134979 is a wasteful number, since it uses less digits than its factorization.

43134979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427180.

The product of its digits is 81648, while the sum is 40.

The square root of 43134979 is about 6567.7225124087. The cubic root of 43134979 is about 350.7060007868.

The spelling of 43134979 in words is "forty-three million, one hundred thirty-four thousand, nine hundred seventy-nine".