18086136 has 16 divisors (see below), whose sum is σ = 45215400. Its totient is φ = 6028704.

The previous prime is 18086093. The next prime is 18086137. The reversal of 18086136 is 63168081.

It is a junction number, because it is equal to n+sod(n) for n = 18086097 and 18086106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18086137) 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, 376771 + ... + 376818.

Almost surely, 2^18086136 is an apocalyptic number.

It is an amenable number.

18086136 is an abundant number, since it is smaller than the sum of its proper divisors (27129264).

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

18086136 is a wasteful number, since it uses less digits than its factorization.

18086136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 753598 (or 753594 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 18086136 is about 4252.7797967917. The cubic root of 18086136 is about 262.4915117437.

The spelling of 18086136 in words is "eighteen million, eighty-six thousand, one hundred thirty-six".