213143364 has 72 divisors (see below), whose sum is σ = 619644480. Its totient is φ = 60512832.

The previous prime is 213143363. The next prime is 213143377. The reversal of 213143364 is 463341312.

213143364 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213143363) 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 in 23 ways as a sum of consecutive naturals, for example, 38482 + ... + 43670.

Almost surely, 2^213143364 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213143364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (309822240).

213143364 is an abundant number, since it is smaller than the sum of its proper divisors (406501116).

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

213143364 is a wasteful number, since it uses less digits than its factorization.

213143364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5369 (or 5364 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

The square root of 213143364 is about 14599.4302628562. The cubic root of 213143364 is about 597.3432198962.

Adding to 213143364 its reverse (463341312), we get a palindrome (676484676).

The spelling of 213143364 in words is "two hundred thirteen million, one hundred forty-three thousand, three hundred sixty-four".