132213321 has 12 divisors (see below), whose sum is σ = 196136772. Its totient is φ = 85759776.

The previous prime is 132213283. The next prime is 132213331. The reversal of 132213321 is 123312231.

132213321 is a `hidden beast` number, since 132 + 213 + 321 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 111007296 + 21206025 = 10536^2 + 4605^2 .

It is not a de Polignac number, because 132213321 - 2¹¹ = 132211273 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 132213294 and 132213303.

It is not an unprimeable number, because it can be changed into a prime (132213331) 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, 198186 + ... + 198851.

It is an arithmetic number, because the mean of its divisors is an integer number (16344731).

Almost surely, 2^132213321 is an apocalyptic number.

It is an amenable number.

132213321 is a deficient number, since it is larger than the sum of its proper divisors (63923451).

132213321 is a wasteful number, since it uses less digits than its factorization.

132213321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397080 (or 397077 counting only the distinct ones).

The product of its digits is 216, while the sum is 18.

The square root of 132213321 is about 11498.4051502806. The cubic root of 132213321 is about 509.4384707741.

Adding to 132213321 its reverse (123312231), we get a palindrome (255525552).

The spelling of 132213321 in words is "one hundred thirty-two million, two hundred thirteen thousand, three hundred twenty-one".