197105147 has 8 divisors (see below), whose sum is σ = 206115840. Its totient is φ = 188131240.

The previous prime is 197105131. The next prime is 197105189. The reversal of 197105147 is 741501791.

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

It is a cyclic number.

It is not a de Polignac number, because 197105147 - 2⁴ = 197105131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (197105047) 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, 2072 + ... + 19962.

It is an arithmetic number, because the mean of its divisors is an integer number (25764480).

Almost surely, 2^197105147 is an apocalyptic number.

197105147 is a deficient number, since it is larger than the sum of its proper divisors (9010693).

197105147 is a wasteful number, since it uses less digits than its factorization.

197105147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18393.

The product of its (nonzero) digits is 8820, while the sum is 35.

The square root of 197105147 is about 14039.4140547246. The cubic root of 197105147 is about 581.9682900576.

The spelling of 197105147 in words is "one hundred ninety-seven million, one hundred five thousand, one hundred forty-seven".