194371207 has 4 divisors (see below), whose sum is σ = 194530336. Its totient is φ = 194212080.

The previous prime is 194371189. The next prime is 194371211. The reversal of 194371207 is 702173491.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-194371207 is a prime.

It is a super-2 number, since 2×194371207² = 75560332221273698, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194371237) 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 3 ways as a sum of consecutive naturals, for example, 77718 + ... + 80179.

It is an arithmetic number, because the mean of its divisors is an integer number (48632584).

Almost surely, 2^194371207 is an apocalyptic number.

194371207 is a deficient number, since it is larger than the sum of its proper divisors (159129).

194371207 is a wasteful number, since it uses less digits than its factorization.

194371207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159128.

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 194371207 is about 13941.7074635785. The cubic root of 194371207 is about 579.2650292115.

The spelling of 194371207 in words is "one hundred ninety-four million, three hundred seventy-one thousand, two hundred seven".