43134169 has 4 divisors (see below), whose sum is σ = 46452196. Its totient is φ = 39816144.

The previous prime is 43134139. The next prime is 43134181. The reversal of 43134169 is 96143134.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 96143134 = 2 ⋅48071567.

It can be written as a sum of positive squares in 2 ways, for example, as 22992025 + 20142144 = 4795^2 + 4488^2 .

It is a cyclic number.

It is not a de Polignac number, because 43134169 - 2²³ = 34745561 is a prime.

It is a super-2 number, since 2×43134169² = 3721113070641122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 43134169.

It is not an unprimeable number, because it can be changed into a prime (43134139) 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, 1658994 + ... + 1659019.

It is an arithmetic number, because the mean of its divisors is an integer number (11613049).

Almost surely, 2^43134169 is an apocalyptic number.

It is an amenable number.

43134169 is a deficient number, since it is larger than the sum of its proper divisors (3318027).

43134169 is a wasteful number, since it uses less digits than its factorization.

43134169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3318026.

The product of its digits is 7776, while the sum is 31.

The square root of 43134169 is about 6567.6608469074. The cubic root of 43134169 is about 350.7038055565.

The spelling of 43134169 in words is "forty-three million, one hundred thirty-four thousand, one hundred sixty-nine".