197135696 has 30 divisors (see below), whose sum is σ = 394699626. Its totient is φ = 95380800.

The previous prime is 197135683. The next prime is 197135699. The reversal of 197135696 is 696531791.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 121793296 + 75342400 = 11036^2 + 8680^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 197135696.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197135699) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8966 + ... + 21786.

Almost surely, 2^197135696 is an apocalyptic number.

197135696 is a gapful number since it is divisible by the number (16) 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 197135696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197349813).

197135696 is an abundant number, since it is smaller than the sum of its proper divisors (197563930).

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

197135696 is a wasteful number, since it uses less digits than its factorization.

197135696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12891 (or 12854 counting only the distinct ones).

The product of its digits is 306180, while the sum is 47.

The square root of 197135696 is about 14040.5019853280. The cubic root of 197135696 is about 581.9983546046.

The spelling of 197135696 in words is "one hundred ninety-seven million, one hundred thirty-five thousand, six hundred ninety-six".