132332021 has 4 divisors (see below), whose sum is σ = 133208544. Its totient is φ = 131455500.

The previous prime is 132331993. The next prime is 132332033. The reversal of 132332021 is 120233231.

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: 120233231 = 17 ⋅7072543.

It is a cyclic number.

It is not a de Polignac number, because 132332021 - 2⁶ = 132331957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132332071) 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, 438035 + ... + 438336.

It is an arithmetic number, because the mean of its divisors is an integer number (33302136).

Almost surely, 2^132332021 is an apocalyptic number.

It is an amenable number.

132332021 is a deficient number, since it is larger than the sum of its proper divisors (876523).

132332021 is an equidigital number, since it uses as much as digits as its factorization.

132332021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 876522.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 132332021 is about 11503.5655776807. The cubic root of 132332021 is about 509.5908816871.

Adding to 132332021 its reverse (120233231), we get a palindrome (252565252).

The spelling of 132332021 in words is "one hundred thirty-two million, three hundred thirty-two thousand, twenty-one".