181036 has 6 divisors (see below), whose sum is σ = 316820. Its totient is φ = 90516.

The previous prime is 181031. The next prime is 181039. The reversal of 181036 is 630181.

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

It is not an unprimeable number, because it can be changed into a prime (181031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22626 + ... + 22633.

2¹⁸¹⁰³⁶ is an apocalyptic number.

It is an amenable number.

181036 is a deficient number, since it is larger than the sum of its proper divisors (135784).

181036 is a wasteful number, since it uses less digits than its factorization.

181036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45263 (or 45261 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 181036 is about 425.4832546646. The cubic root of 181036 is about 56.5702782767.

The spelling of 181036 in words is "one hundred eighty-one thousand, thirty-six".