181094 has 4 divisors (see below), whose sum is σ = 271644. Its totient is φ = 90546.

The previous prime is 181087. The next prime is 181123. The reversal of 181094 is 490181.

181094 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 490181 = 19 ⋅25799.

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

It is a plaindrome in base 15.

It is a congruent number.

It is an unprimeable number.

181094 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45272 + ... + 45275.

It is an arithmetic number, because the mean of its divisors is an integer number (67911).

2¹⁸¹⁰⁹⁴ is an apocalyptic number.

181094 is a deficient number, since it is larger than the sum of its proper divisors (90550).

181094 is an equidigital number, since it uses as much as digits as its factorization.

181094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90549.

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 181094 is about 425.5514070004. The cubic root of 181094 is about 56.5763189275.

The spelling of 181094 in words is "one hundred eighty-one thousand, ninety-four".