199180094 has 4 divisors (see below), whose sum is σ = 298770144. Its totient is φ = 99590046.

The previous prime is 199180087. The next prime is 199180103. The reversal of 199180094 is 490081991.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49795022 + ... + 49795025.

It is an arithmetic number, because the mean of its divisors is an integer number (74692536).

Almost surely, 2^199180094 is an apocalyptic number.

199180094 is a deficient number, since it is larger than the sum of its proper divisors (99590050).

199180094 is an equidigital number, since it uses as much as digits as its factorization.

199180094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99590049.

The product of its (nonzero) digits is 23328, while the sum is 41.

The square root of 199180094 is about 14113.1177987006. The cubic root of 199180094 is about 584.0033132201.

The spelling of 199180094 in words is "one hundred ninety-nine million, one hundred eighty thousand, ninety-four".