43134149 has 4 divisors (see below), whose sum is σ = 43357836. Its totient is φ = 42910464.

The previous prime is 43134139. The next prime is 43134181. The reversal of 43134149 is 94143134.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5373124 + 37761025 = 2318^2 + 6145^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43134149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43134139) 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, 111554 + ... + 111939.

It is an arithmetic number, because the mean of its divisors is an integer number (10839459).

Almost surely, 2^43134149 is an apocalyptic number.

It is an amenable number.

43134149 is a deficient number, since it is larger than the sum of its proper divisors (223687).

43134149 is a wasteful number, since it uses less digits than its factorization.

43134149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223686.

The product of its digits is 5184, while the sum is 29.

The square root of 43134149 is about 6567.6593242951. The cubic root of 43134149 is about 350.7037513529.

The spelling of 43134149 in words is "forty-three million, one hundred thirty-four thousand, one hundred forty-nine".