132420213 has 6 divisors (see below), whose sum is σ = 191273654. Its totient is φ = 88280136.

The previous prime is 132420187. The next prime is 132420221. The reversal of 132420213 is 312024231.

132420213 is a `hidden beast` number, since 1 + 32 + 420 + 213 = 666.

It can be written as a sum of positive squares in only one way, i.e., 93257649 + 39162564 = 9657^2 + 6258^2 .

It is not a de Polignac number, because 132420213 - 2⁵ = 132420181 is a prime.

It is a super-2 number, since 2×132420213² = 35070225621930738, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132420413) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7356670 + ... + 7356687.

Almost surely, 2^132420213 is an apocalyptic number.

It is an amenable number.

132420213 is a deficient number, since it is larger than the sum of its proper divisors (58853441).

132420213 is a wasteful number, since it uses less digits than its factorization.

132420213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14713363 (or 14713360 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 132420213 is about 11507.3981855153. The cubic root of 132420213 is about 509.7040612956.

Adding to 132420213 its reverse (312024231), we get a palindrome (444444444).

The spelling of 132420213 in words is "one hundred thirty-two million, four hundred twenty thousand, two hundred thirteen".