81094 has 8 divisors (see below), whose sum is σ = 131040. Its totient is φ = 37416.

The previous prime is 81083. The next prime is 81097. The reversal of 81094 is 49018.

81094 = T₄₄ + T₄₅ + ... + T₈₂.

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

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (81097) 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, 1534 + ... + 1585.

It is an arithmetic number, because the mean of its divisors is an integer number (16380).

2⁸¹⁰⁹⁴ is an apocalyptic number.

81094 is a deficient number, since it is larger than the sum of its proper divisors (49946).

81094 is a wasteful number, since it uses less digits than its factorization.

81094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3134.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 81094 is about 284.7700826983. The cubic root of 81094 is about 43.2842178561.

The spelling of 81094 in words is "eighty-one thousand, ninety-four".