132113221 has 4 divisors (see below), whose sum is σ = 133348032. Its totient is φ = 130878412.

The previous prime is 132113209. The next prime is 132113249. The reversal of 132113221 is 122311231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 122311231 = 7 ⋅17473033.

It is a cyclic number.

It is not a de Polignac number, because 132113221 - 2¹¹ = 132111173 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 132113195 and 132113204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132113281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 617245 + ... + 617458.

It is an arithmetic number, because the mean of its divisors is an integer number (33337008).

Almost surely, 2^132113221 is an apocalyptic number.

It is an amenable number.

132113221 is a deficient number, since it is larger than the sum of its proper divisors (1234811).

132113221 is a wasteful number, since it uses less digits than its factorization.

132113221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1234810.

The product of its digits is 72, while the sum is 16.

The square root of 132113221 is about 11494.0515485185. The cubic root of 132113221 is about 509.3098713624.

Adding to 132113221 its reverse (122311231), we get a palindrome (254424452).

The spelling of 132113221 in words is "one hundred thirty-two million, one hundred thirteen thousand, two hundred twenty-one".