197476137 has 48 divisors (see below), whose sum is σ = 312923520. Its totient is φ = 124198272.

The previous prime is 197476133. The next prime is 197476157. The reversal of 197476137 is 731674791.

It is a happy number.

It is not a de Polignac number, because 197476137 - 2² = 197476133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 197476092 and 197476101.

It is not an unprimeable number, because it can be changed into a prime (197476133) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 497223 + ... + 497619.

It is an arithmetic number, because the mean of its divisors is an integer number (6519240).

Almost surely, 2^197476137 is an apocalyptic number.

It is an amenable number.

197476137 is a deficient number, since it is larger than the sum of its proper divisors (115447383).

197476137 is an equidigital number, since it uses as much as digits as its factorization.

197476137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524 (or 512 counting only the distinct ones).

The product of its digits is 222264, while the sum is 45.

The square root of 197476137 is about 14052.6202894691. The cubic root of 197476137 is about 582.3331868360. Note that the first 3 decimals are identical.

The spelling of 197476137 in words is "one hundred ninety-seven million, four hundred seventy-six thousand, one hundred thirty-seven".