213142132 has 12 divisors (see below), whose sum is σ = 426284320. Its totient is φ = 91346616.

The previous prime is 213142129. The next prime is 213142147. The reversal of 213142132 is 231241312.

It is a happy number.

213142132 is an admirable number.

It is a congruent number.

It is an unprimeable number.

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, 3806082 + ... + 3806137.

Almost surely, 2^213142132 is an apocalyptic number.

It is an amenable number.

213142132 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

213142132 is a wasteful number, since it uses less digits than its factorization.

213142132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7612230 (or 7612228 counting only the distinct ones).

The product of its digits is 288, while the sum is 19.

The square root of 213142132 is about 14599.3880693678. The cubic root of 213142132 is about 597.3420689834.

Adding to 213142132 its reverse (231241312), we get a palindrome (444383444).

The spelling of 213142132 in words is "two hundred thirteen million, one hundred forty-two thousand, one hundred thirty-two".