197335140 has 192 divisors, whose sum is σ = 619315200. Its totient is φ = 46738944.

The previous prime is 197335129. The next prime is 197335141. The reversal of 197335140 is 41533791.

It is not an unprimeable number, because it can be changed into a prime (197335141) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1553757 + ... + 1553883.

It is an arithmetic number, because the mean of its divisors is an integer number (3225600).

Almost surely, 2^197335140 is an apocalyptic number.

197335140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 197335140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (309657600).

197335140 is an abundant number, since it is smaller than the sum of its proper divisors (421980060).

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

197335140 is a wasteful number, since it uses less digits than its factorization.

197335140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234 (or 232 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 33.

The square root of 197335140 is about 14047.6026424440. The cubic root of 197335140 is about 582.1945594846.

The spelling of 197335140 in words is "one hundred ninety-seven million, three hundred thirty-five thousand, one hundred forty".