109143199 has 4 divisors (see below), whose sum is σ = 119065320. Its totient is φ = 99221080.

The previous prime is 109143193. The next prime is 109143227. The reversal of 109143199 is 991341901.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 109143199 - 2¹³ = 109135007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109143193) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 4961044 + ... + 4961065.

It is an arithmetic number, because the mean of its divisors is an integer number (29766330).

Almost surely, 2^109143199 is an apocalyptic number.

109143199 is a deficient number, since it is larger than the sum of its proper divisors (9922121).

109143199 is an equidigital number, since it uses as much as digits as its factorization.

109143199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9922120.

The product of its (nonzero) digits is 8748, while the sum is 37.

The square root of 109143199 is about 10447.1622462753. The cubic root of 109143199 is about 477.8947134225.

The spelling of 109143199 in words is "one hundred nine million, one hundred forty-three thousand, one hundred ninety-nine".