132143213 has 12 divisors (see below), whose sum is σ = 135701748. Its totient is φ = 128666880.

The previous prime is 132143201. The next prime is 132143239. The reversal of 132143213 is 312341231.

It can be written as a sum of positive squares in 6 ways, for example, as 6770404 + 125372809 = 2602^2 + 11197^2 .

It is not a de Polignac number, because 132143213 - 2⁶ = 132143149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132143413) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 729983 + ... + 730163.

It is an arithmetic number, because the mean of its divisors is an integer number (11308479).

Almost surely, 2^132143213 is an apocalyptic number.

It is an amenable number.

132143213 is a deficient number, since it is larger than the sum of its proper divisors (3558535).

132143213 is an equidigital number, since it uses as much as digits as its factorization.

132143213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464 (or 391 counting only the distinct ones).

The product of its digits is 432, while the sum is 20.

The square root of 132143213 is about 11495.3561493327. The cubic root of 132143213 is about 509.3484091806.

Adding to 132143213 its reverse (312341231), we get a palindrome (444484444).

The spelling of 132143213 in words is "one hundred thirty-two million, one hundred forty-three thousand, two hundred thirteen".