18134143 has 8 divisors (see below), whose sum is σ = 18972000. Its totient is φ = 17300448.

The previous prime is 18134131. The next prime is 18134147. The reversal of 18134143 is 34143181.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 18134143 - 2⁵ = 18134111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18134147) 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, 10933 + ... + 12481.

It is an arithmetic number, because the mean of its divisors is an integer number (2371500).

Almost surely, 2^18134143 is an apocalyptic number.

18134143 is a deficient number, since it is larger than the sum of its proper divisors (837857).

18134143 is a wasteful number, since it uses less digits than its factorization.

18134143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2081.

The product of its digits is 1152, while the sum is 25.

The square root of 18134143 is about 4258.4202469930. The cubic root of 18134143 is about 262.7235549851.

The spelling of 18134143 in words is "eighteen million, one hundred thirty-four thousand, one hundred forty-three".