194100197 has 8 divisors (see below), whose sum is σ = 202680576. Its totient is φ = 185531632.

The previous prime is 194100173. The next prime is 194100217. The reversal of 194100197 is 791001491.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-194100197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194100107) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 55268 + ... + 58674.

It is an arithmetic number, because the mean of its divisors is an integer number (25335072).

Almost surely, 2^194100197 is an apocalyptic number.

It is an amenable number.

194100197 is a deficient number, since it is larger than the sum of its proper divisors (8580379).

194100197 is a wasteful number, since it uses less digits than its factorization.

194100197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5907.

The product of its (nonzero) digits is 2268, while the sum is 32.

The square root of 194100197 is about 13931.9846755586. The cubic root of 194100197 is about 578.9956826757.

The spelling of 194100197 in words is "one hundred ninety-four million, one hundred thousand, one hundred ninety-seven".