132281 has 4 divisors (see below), whose sum is σ = 133200. Its totient is φ = 131364.

The previous prime is 132263. The next prime is 132283. The reversal of 132281 is 182231.

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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-132281 is a prime.

It is a super-2 number, since 2×132281² = 34996525922, which contains 22 as substring.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 132281.

It is not an unprimeable number, because it can be changed into a prime (132283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 191 + ... + 548.

It is an arithmetic number, because the mean of its divisors is an integer number (33300).

2¹³²²⁸¹ is an apocalyptic number.

It is an amenable number.

132281 is a deficient number, since it is larger than the sum of its proper divisors (919).

132281 is an equidigital number, since it uses as much as digits as its factorization.

132281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 918.

The product of its digits is 96, while the sum is 17.

The square root of 132281 is about 363.7045504252. The cubic root of 132281 is about 50.9525381847.

The spelling of 132281 in words is "one hundred thirty-two thousand, two hundred eighty-one".