194042106 has 12 divisors (see below), whose sum is σ = 420424602. Its totient is φ = 64680696.

The previous prime is 194042083. The next prime is 194042137. The reversal of 194042106 is 601240491.

It can be written as a sum of positive squares in only one way, i.e., 185096025 + 8946081 = 13605^2 + 2991^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 194042106.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5390041 + ... + 5390076.

Almost surely, 2^194042106 is an apocalyptic number.

194042106 is an abundant number, since it is smaller than the sum of its proper divisors (226382496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

194042106 is a wasteful number, since it uses less digits than its factorization.

194042106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10780125 (or 10780122 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 194042106 is about 13929.8997124890. The cubic root of 194042106 is about 578.9379156140.

Adding to 194042106 its reverse (601240491), we get a palindrome (795282597).

The spelling of 194042106 in words is "one hundred ninety-four million, forty-two thousand, one hundred six".