43216134 has 32 divisors (see below), whose sum is σ = 93700320. Its totient is φ = 13208832.

The previous prime is 43216133. The next prime is 43216163. The reversal of 43216134 is 43161234.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43216133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10482 + ... + 14010.

It is an arithmetic number, because the mean of its divisors is an integer number (2928135).

Almost surely, 2^43216134 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43216134, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46850160).

43216134 is an abundant number, since it is smaller than the sum of its proper divisors (50484186).

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

43216134 is a wasteful number, since it uses less digits than its factorization.

43216134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3704.

The product of its digits is 1728, while the sum is 24.

The square root of 43216134 is about 6573.8979304519. The cubic root of 43216134 is about 350.9258047248.

Adding to 43216134 its reverse (43161234), we get a palindrome (86377368).

The spelling of 43216134 in words is "forty-three million, two hundred sixteen thousand, one hundred thirty-four".