132823281 has 32 divisors (see below), whose sum is σ = 191168640. Its totient is φ = 81782784.

The previous prime is 132823237. The next prime is 132823307. The reversal of 132823281 is 182328231.

It is not a de Polignac number, because 132823281 - 2⁶ = 132823217 is a prime.

It is a super-2 number, since 2×132823281² = 35284047951209922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (132823211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 569941 + ... + 570173.

It is an arithmetic number, because the mean of its divisors is an integer number (5974020).

Almost surely, 2^132823281 is an apocalyptic number.

It is an amenable number.

132823281 is a deficient number, since it is larger than the sum of its proper divisors (58345359).

132823281 is a wasteful number, since it uses less digits than its factorization.

132823281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465.

The product of its digits is 4608, while the sum is 30.

The square root of 132823281 is about 11524.8983075774. The cubic root of 132823281 is about 510.2206926441.

The spelling of 132823281 in words is "one hundred thirty-two million, eight hundred twenty-three thousand, two hundred eighty-one".