18134000 has 40 divisors (see below), whose sum is σ = 43852848. Its totient is φ = 7252800.

The previous prime is 18133993. The next prime is 18134009. The reversal of 18134000 is 43181.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 18134000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18134009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2534 + ... + 6533.

Almost surely, 2^18134000 is an apocalyptic number.

18134000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18134000 is an abundant number, since it is smaller than the sum of its proper divisors (25718848).

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

18134000 is an equidigital number, since it uses as much as digits as its factorization.

18134000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9090 (or 9074 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 18134000 is about 4258.4034566959. The cubic root of 18134000 is about 262.7228643989.

Adding to 18134000 its reverse (43181), we get a palindrome (18177181).

The spelling of 18134000 in words is "eighteen million, one hundred thirty-four thousand".