43134638 has 4 divisors (see below), whose sum is σ = 64701960. Its totient is φ = 21567318.

The previous prime is 43134631. The next prime is 43134647. The reversal of 43134638 is 83643134.

43134638 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43134631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10783658 + ... + 10783661.

It is an arithmetic number, because the mean of its divisors is an integer number (16175490).

Almost surely, 2^43134638 is an apocalyptic number.

43134638 is a deficient number, since it is larger than the sum of its proper divisors (21567322).

43134638 is a wasteful number, since it uses less digits than its factorization.

43134638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21567321.

The product of its digits is 20736, while the sum is 32.

The square root of 43134638 is about 6567.6965520645. The cubic root of 43134638 is about 350.7050766253.

The spelling of 43134638 in words is "forty-three million, one hundred thirty-four thousand, six hundred thirty-eight".