181035036 has 144 divisors (see below), whose sum is σ = 571689664. Its totient is φ = 47029248.

The previous prime is 181035017. The next prime is 181035037. The reversal of 181035036 is 630530181.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (181035037) 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 47 ways as a sum of consecutive naturals, for example, 238770 + ... + 239526.

Almost surely, 2^181035036 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 181035036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (285844832).

181035036 is an abundant number, since it is smaller than the sum of its proper divisors (390654628).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

181035036 is a wasteful number, since it uses less digits than its factorization.

181035036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860 (or 855 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 181035036 is about 13454.9260867535. The cubic root of 181035036 is about 565.7017786600.

The spelling of 181035036 in words is "one hundred eighty-one million, thirty-five thousand, thirty-six".