197137963 has 8 divisors (see below), whose sum is σ = 220305456. Its totient is φ = 174844800.

The previous prime is 197137949. The next prime is 197137981. The reversal of 197137963 is 369731791.

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 197137963 - 2¹³ = 197129771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (197137903) 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, 218106 + ... + 219007.

It is an arithmetic number, because the mean of its divisors is an integer number (27538182).

Almost surely, 2^197137963 is an apocalyptic number.

197137963 is a deficient number, since it is larger than the sum of its proper divisors (23167493).

197137963 is a wasteful number, since it uses less digits than its factorization.

197137963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437165.

The product of its digits is 214326, while the sum is 46.

The square root of 197137963 is about 14040.5827158277. The cubic root of 197137963 is about 582.0005855302. Note that the first 3 decimals are identical.

The spelling of 197137963 in words is "one hundred ninety-seven million, one hundred thirty-seven thousand, nine hundred sixty-three".