281132 has 12 divisors (see below), whose sum is σ = 499800. Its totient is φ = 138336.

The previous prime is 281131. The next prime is 281153. The reversal of 281132 is 231182.

It is a self number, because there is not a number n which added to its sum of digits gives 281132.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 281132.

It is not an unprimeable number, because it can be changed into a prime (281131) 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, 257 + ... + 792.

It is an arithmetic number, because the mean of its divisors is an integer number (41650).

2²⁸¹¹³² is an apocalyptic number.

It is an amenable number.

281132 is a deficient number, since it is larger than the sum of its proper divisors (218668).

281132 is a wasteful number, since it uses less digits than its factorization.

281132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1120 (or 1118 counting only the distinct ones).

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

The square root of 281132 is about 530.2188227515. The cubic root of 281132 is about 65.5093706850.

The spelling of 281132 in words is "two hundred eighty-one thousand, one hundred thirty-two".