213134232 has 16 divisors (see below), whose sum is σ = 532835640. Its totient is φ = 71044736.

The previous prime is 213134227. The next prime is 213134239. The reversal of 213134232 is 232431312.

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

It is a junction number, because it is equal to n+sod(n) for n = 213134199 and 213134208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213134239) 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 3 ways as a sum of consecutive naturals, for example, 4440273 + ... + 4440320.

Almost surely, 2^213134232 is an apocalyptic number.

It is an amenable number.

213134232 is an abundant number, since it is smaller than the sum of its proper divisors (319701408).

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

213134232 is a wasteful number, since it uses less digits than its factorization.

213134232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8880602 (or 8880598 counting only the distinct ones).

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

The square root of 213134232 is about 14599.1175075756. The cubic root of 213134232 is about 597.3346888367.

Adding to 213134232 its reverse (232431312), we get a palindrome (445565544).

It can be divided in two parts, 2131 and 34232, that added together give a palindrome (36363).

The spelling of 213134232 in words is "two hundred thirteen million, one hundred thirty-four thousand, two hundred thirty-two".