194147097 has 8 divisors (see below), whose sum is σ = 259479360. Its totient is φ = 129123120.

The previous prime is 194147087. The next prime is 194147099. The reversal of 194147097 is 790741491.

194147097 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 194147097 - 2⁷ = 194146969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (194147099) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75597 + ... + 78122.

It is an arithmetic number, because the mean of its divisors is an integer number (32434920).

Almost surely, 2^194147097 is an apocalyptic number.

It is an amenable number.

194147097 is a deficient number, since it is larger than the sum of its proper divisors (65332263).

194147097 is a wasteful number, since it uses less digits than its factorization.

194147097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154143.

The product of its (nonzero) digits is 63504, while the sum is 42.

The square root of 194147097 is about 13933.6677511702. The cubic root of 194147097 is about 579.0423127343.

The spelling of 194147097 in words is "one hundred ninety-four million, one hundred forty-seven thousand, ninety-seven".