18135119 has 2 divisors, whose sum is σ = 18135120. Its totient is φ = 18135118.

The previous prime is 18135113. The next prime is 18135137. The reversal of 18135119 is 91153181.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18135119 - 2²⁰ = 17086543 is a prime.

It is a super-2 number, since 2×18135119² = 657765082288322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 18135091 and 18135100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18135113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9067559 + 9067560.

It is an arithmetic number, because the mean of its divisors is an integer number (9067560).

Almost surely, 2^18135119 is an apocalyptic number.

18135119 is a deficient number, since it is larger than the sum of its proper divisors (1).

18135119 is an equidigital number, since it uses as much as digits as its factorization.

18135119 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1080, while the sum is 29.

The square root of 18135119 is about 4258.5348419380. The cubic root of 18135119 is about 262.7282682597.

The spelling of 18135119 in words is "eighteen million, one hundred thirty-five thousand, one hundred nineteen".