108418919 has 6 divisors (see below), whose sum is σ = 126120024. Its totient is φ = 92930460.

The previous prime is 108418913. The next prime is 108418939. The reversal of 108418919 is 919814801.

It is not a de Polignac number, because 108418919 - 2⁴ = 108418903 is a prime.

It is a super-2 number, since 2×108418919² = 23509323994257122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108418913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1106267 + ... + 1106364.

It is an arithmetic number, because the mean of its divisors is an integer number (21020004).

Almost surely, 2^108418919 is an apocalyptic number.

108418919 is a deficient number, since it is larger than the sum of its proper divisors (17701105).

108418919 is an equidigital number, since it uses as much as digits as its factorization.

108418919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2212645 (or 2212638 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 41.

The square root of 108418919 is about 10412.4405880658. The cubic root of 108418919 is about 476.8352549430.

The spelling of 108418919 in words is "one hundred eight million, four hundred eighteen thousand, nine hundred nineteen".