132440321 has 8 divisors (see below), whose sum is σ = 143136000. Its totient is φ = 121817232.

The previous prime is 132440293. The next prime is 132440327. The reversal of 132440321 is 123044231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 132440321 - 2⁶ = 132440257 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 132440293 and 132440302.

It is not an unprimeable number, because it can be changed into a prime (132440327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14321 + ... + 21678.

It is an arithmetic number, because the mean of its divisors is an integer number (17892000).

Almost surely, 2^132440321 is an apocalyptic number.

It is an amenable number.

132440321 is a deficient number, since it is larger than the sum of its proper divisors (10695679).

132440321 is a wasteful number, since it uses less digits than its factorization.

132440321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36295.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 132440321 is about 11508.2718511512. The cubic root of 132440321 is about 509.7298594984.

Adding to 132440321 its reverse (123044231), we get a palindrome (255484552).

The spelling of 132440321 in words is "one hundred thirty-two million, four hundred forty thousand, three hundred twenty-one".