197329149 has 16 divisors (see below), whose sum is σ = 309536640. Its totient is φ = 123814080.

The previous prime is 197329129. The next prime is 197329157. The reversal of 197329149 is 941923791.

197329149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 197329149 - 2¹¹ = 197327101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197329129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 214497 + ... + 215414.

It is an arithmetic number, because the mean of its divisors is an integer number (19346040).

Almost surely, 2^197329149 is an apocalyptic number.

It is an amenable number.

197329149 is a deficient number, since it is larger than the sum of its proper divisors (112207491).

197329149 is a wasteful number, since it uses less digits than its factorization.

197329149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429937 (or 429931 counting only the distinct ones).

The product of its digits is 122472, while the sum is 45.

The square root of 197329149 is about 14047.3894015935. The cubic root of 197329149 is about 582.1886677093.

The spelling of 197329149 in words is "one hundred ninety-seven million, three hundred twenty-nine thousand, one hundred forty-nine".