109443086 has 4 divisors (see below), whose sum is σ = 164164632. Its totient is φ = 54721542.

The previous prime is 109443073. The next prime is 109443121. The reversal of 109443086 is 680344901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 680344901 = 29 ⋅23460169.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27360770 + ... + 27360773.

It is an arithmetic number, because the mean of its divisors is an integer number (41041158).

Almost surely, 2^109443086 is an apocalyptic number.

109443086 is a deficient number, since it is larger than the sum of its proper divisors (54721546).

109443086 is an equidigital number, since it uses as much as digits as its factorization.

109443086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54721545.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 109443086 is about 10461.5049586568. The cubic root of 109443086 is about 478.3320085055.

Adding to 109443086 its reverse (680344901), we get a palindrome (789787987).

The spelling of 109443086 in words is "one hundred nine million, four hundred forty-three thousand, eighty-six".