194403132236 has 12 divisors (see below), whose sum is σ = 351936705120. Its totient is φ = 93849787920.

The previous prime is 194403132163. The next prime is 194403132247. The reversal of 194403132236 is 632231304491.

It is a self number, because there is not a number n which added to its sum of digits gives 194403132236.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 837944420 + ... + 837944651.

It is an arithmetic number, because the mean of its divisors is an integer number (29328058760).

Almost surely, 2^194403132236 is an apocalyptic number.

It is an amenable number.

194403132236 is a deficient number, since it is larger than the sum of its proper divisors (157533572884).

194403132236 is a wasteful number, since it uses less digits than its factorization.

194403132236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1675889104 (or 1675889102 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 38.

The spelling of 194403132236 in words is "one hundred ninety-four billion, four hundred three million, one hundred thirty-two thousand, two hundred thirty-six".