81334 has 8 divisors (see below), whose sum is σ = 133128. Its totient is φ = 36960.

The previous prime is 81331. The next prime is 81343. The reversal of 81334 is 43318.

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

It is a plaindrome in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (81331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1827 + ... + 1870.

It is an arithmetic number, because the mean of its divisors is an integer number (16641).

2⁸¹³³⁴ is an apocalyptic number.

81334 is a deficient number, since it is larger than the sum of its proper divisors (51794).

81334 is a wasteful number, since it uses less digits than its factorization.

81334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3710.

The product of its digits is 288, while the sum is 19.

The square root of 81334 is about 285.1911639585. The cubic root of 81334 is about 43.3268760924.

The spelling of 81334 in words is "eighty-one thousand, three hundred thirty-four".