194053418 has 16 divisors (see below), whose sum is σ = 317768136. Its totient is φ = 88335360.

The previous prime is 194053417. The next prime is 194053439. The reversal of 194053418 is 814350491.

It can be written as a sum of positive squares in 4 ways, for example, as 154828249 + 39225169 = 12443^2 + 6263^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (194053411) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 49223 + ... + 53018.

Almost surely, 2^194053418 is an apocalyptic number.

194053418 is a deficient number, since it is larger than the sum of its proper divisors (123714718).

194053418 is a wasteful number, since it uses less digits than its factorization.

194053418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102329.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 194053418 is about 13930.3057396455. The cubic root of 194053418 is about 578.9491654377.

The spelling of 194053418 in words is "one hundred ninety-four million, fifty-three thousand, four hundred eighteen".