197140 has 12 divisors (see below), whose sum is σ = 414036. Its totient is φ = 78848.

The previous prime is 197137. The next prime is 197147. The reversal of 197140 is 41791.

It can be written as a sum of positive squares in 2 ways, for example, as 71824 + 125316 = 268^2 + 354^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4909 + ... + 4948.

It is an arithmetic number, because the mean of its divisors is an integer number (34503).

2¹⁹⁷¹⁴⁰ is an apocalyptic number.

197140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

197140 is an abundant number, since it is smaller than the sum of its proper divisors (216896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

197140 is a wasteful number, since it uses less digits than its factorization.

197140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9866 (or 9864 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 197140 is about 444.0045044817. The cubic root of 197140 is about 58.2002590101.

The spelling of 197140 in words is "one hundred ninety-seven thousand, one hundred forty".