108968194 has 4 divisors (see below), whose sum is σ = 163452294. Its totient is φ = 54484096.

The previous prime is 108968183. The next prime is 108968213. The reversal of 108968194 is 491869801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 491869801 = 1327 ⋅370663.

It can be written as a sum of positive squares in only one way, i.e., 95550625 + 13417569 = 9775^2 + 3663^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27242047 + ... + 27242050.

Almost surely, 2^108968194 is an apocalyptic number.

108968194 is a deficient number, since it is larger than the sum of its proper divisors (54484100).

108968194 is an equidigital number, since it uses as much as digits as its factorization.

108968194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54484099.

The product of its (nonzero) digits is 124416, while the sum is 46.

The square root of 108968194 is about 10438.7831666339. The cubic root of 108968194 is about 477.6391509879.

The spelling of 108968194 in words is "one hundred eight million, nine hundred sixty-eight thousand, one hundred ninety-four".