43213134 has 24 divisors (see below), whose sum is σ = 87958440. Its totient is φ = 14153392.

The previous prime is 43213109. The next prime is 43213141. The reversal of 43213134 is 43131234.

It is a self number, because there is not a number n which added to its sum of digits gives 43213134.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19852 + ... + 21920.

It is an arithmetic number, because the mean of its divisors is an integer number (3664935).

Almost surely, 2^43213134 is an apocalyptic number.

43213134 is an abundant number, since it is smaller than the sum of its proper divisors (44745306).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

43213134 is a wasteful number, since it uses less digits than its factorization.

43213134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2192 (or 2133 counting only the distinct ones).

The product of its digits is 864, while the sum is 21.

The square root of 43213134 is about 6573.6697513641. The cubic root of 43213134 is about 350.9176842871.

Adding to 43213134 its reverse (43131234), we get a palindrome (86344368).

The spelling of 43213134 in words is "forty-three million, two hundred thirteen thousand, one hundred thirty-four".