18135030 has 32 divisors (see below), whose sum is σ = 43732224. Its totient is φ = 4812896.

The previous prime is 18134999. The next prime is 18135037. The reversal of 18135030 is 3053181.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 18134988 and 18135006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18135037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5479 + ... + 8141.

It is an arithmetic number, because the mean of its divisors is an integer number (1366632).

Almost surely, 2^18135030 is an apocalyptic number.

18135030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18135030 is an abundant number, since it is smaller than the sum of its proper divisors (25597194).

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

18135030 is a wasteful number, since it uses less digits than its factorization.

18135030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2900.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 18135030 is about 4258.5243923218. The cubic root of 18135030 is about 262.7278384702.

The spelling of 18135030 in words is "eighteen million, one hundred thirty-five thousand, thirty".