18075136 has 40 divisors (see below), whose sum is σ = 36999864. Its totient is φ = 8816640.

The previous prime is 18075133. The next prime is 18075191. The reversal of 18075136 is 63157081.

It is a junction number, because it is equal to n+sod(n) for n = 18075098 and 18075107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18075133) 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, 21606 + ... + 22426.

Almost surely, 2^18075136 is an apocalyptic number.

18075136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18075136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18499932).

18075136 is an abundant number, since it is smaller than the sum of its proper divisors (18924728).

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

18075136 is an frugal number, since it uses more digits than its factorization.

18075136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 882 (or 866 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 18075136 is about 4251.4863283327. The cubic root of 18075136 is about 262.4382851138.

The spelling of 18075136 in words is "eighteen million, seventy-five thousand, one hundred thirty-six".