18134107 has 4 divisors (see below), whose sum is σ = 18624256. Its totient is φ = 17643960.

The previous prime is 18134071. The next prime is 18134111. The reversal of 18134107 is 70143181.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70143181 = 3697 ⋅18973.

It is a cyclic number.

It is not a de Polignac number, because 18134107 - 2¹⁵ = 18101339 is a prime.

It is a Duffinian 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 3 ways as a sum of consecutive naturals, for example, 245019 + ... + 245092.

It is an arithmetic number, because the mean of its divisors is an integer number (4656064).

Almost surely, 2^18134107 is an apocalyptic number.

18134107 is a deficient number, since it is larger than the sum of its proper divisors (490149).

18134107 is an equidigital number, since it uses as much as digits as its factorization.

18134107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490148.

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 18134107 is about 4258.4160200713. The cubic root of 18134107 is about 262.7233811316.

Adding to 18134107 its reverse (70143181), we get a palindrome (88277288).

The spelling of 18134107 in words is "eighteen million, one hundred thirty-four thousand, one hundred seven".