132240321 has 12 divisors (see below), whose sum is σ = 191311380. Its totient is φ = 88022880.

The previous prime is 132240307. The next prime is 132240341. The reversal of 132240321 is 123042231.

It can be written as a sum of positive squares in 2 ways, for example, as 71166096 + 61074225 = 8436^2 + 7815^2 .

It is not a de Polignac number, because 132240321 - 2⁵ = 132240289 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 132240294 and 132240303.

It is not an unprimeable number, because it can be changed into a prime (132240341) 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, 5166 + ... + 17063.

It is an arithmetic number, because the mean of its divisors is an integer number (15942615).

Almost surely, 2^132240321 is an apocalyptic number.

It is an amenable number.

132240321 is a deficient number, since it is larger than the sum of its proper divisors (59071059).

132240321 is a wasteful number, since it uses less digits than its factorization.

132240321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22896 (or 22893 counting only the distinct ones).

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

The square root of 132240321 is about 11499.5791662130. The cubic root of 132240321 is about 509.4731468122.

Adding to 132240321 its reverse (123042231), we get a palindrome (255282552).

The spelling of 132240321 in words is "one hundred thirty-two million, two hundred forty thousand, three hundred twenty-one".