109928194 has 4 divisors (see below), whose sum is σ = 164892294. Its totient is φ = 54964096.

The previous prime is 109928191. The next prime is 109928207. The reversal of 109928194 is 491829901.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 491829901 = 113 ⋅4352477.

It can be written as a sum of positive squares in only one way, i.e., 96334225 + 13593969 = 9815^2 + 3687^2 .

It is a super-2 number, since 2×109928194² = 24168415672203272, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 109928194.

It is not an unprimeable number, because it can be changed into a prime (109928191) 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 as a sum of consecutive naturals, namely, 27482047 + ... + 27482050.

Almost surely, 2^109928194 is an apocalyptic number.

109928194 is a deficient number, since it is larger than the sum of its proper divisors (54964100).

109928194 is an equidigital number, since it uses as much as digits as its factorization.

109928194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54964099.

The product of its (nonzero) digits is 46656, while the sum is 43.

The square root of 109928194 is about 10484.6647061315. The cubic root of 109928194 is about 479.0377046199.

The spelling of 109928194 in words is "one hundred nine million, nine hundred twenty-eight thousand, one hundred ninety-four".