108135018 has 24 divisors (see below), whose sum is σ = 236711748. Its totient is φ = 35672832.

The previous prime is 108135017. The next prime is 108135019. The reversal of 108135018 is 810531801.

It is an interprime number because it is at equal distance from previous prime (108135017) and next prime (108135019).

It can be written as a sum of positive squares in 2 ways, for example, as 107806689 + 328329 = 10383^2 + 573^2 .

It is a junction number, because it is equal to n+sod(n) for n = 108134982 and 108135000.

It is not an unprimeable number, because it can be changed into a prime (108135017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29221 + ... + 32712.

Almost surely, 2^108135018 is an apocalyptic number.

108135018 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

108135018 is an abundant number, since it is smaller than the sum of its proper divisors (128576730).

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

108135018 is a wasteful number, since it uses less digits than its factorization.

108135018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62038 (or 62035 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 27.

The square root of 108135018 is about 10398.7988729468. The cubic root of 108135018 is about 476.4186845368.

Adding to 108135018 its reverse (810531801), we get a palindrome (918666819).

The spelling of 108135018 in words is "one hundred eight million, one hundred thirty-five thousand, eighteen".