109194898 has 4 divisors (see below), whose sum is σ = 163792350. Its totient is φ = 54597448.

The previous prime is 109194887. The next prime is 109194907. The reversal of 109194898 is 898491901.

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

It can be written as a sum of positive squares in only one way, i.e., 108305649 + 889249 = 10407^2 + 943^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27298723 + ... + 27298726.

Almost surely, 2^109194898 is an apocalyptic number.

109194898 is a deficient number, since it is larger than the sum of its proper divisors (54597452).

109194898 is an equidigital number, since it uses as much as digits as its factorization.

109194898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54597451.

The product of its (nonzero) digits is 186624, while the sum is 49.

The square root of 109194898 is about 10449.6362616122. The cubic root of 109194898 is about 477.9701579731.

The spelling of 109194898 in words is "one hundred nine million, one hundred ninety-four thousand, eight hundred ninety-eight".