131671198 has 16 divisors (see below), whose sum is σ = 204963840. Its totient is φ = 63372600.

The previous prime is 131671193. The next prime is 131671201. The reversal of 131671198 is 891176131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131671193) 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, 6283 + ... + 17401.

It is an arithmetic number, because the mean of its divisors is an integer number (12810240).

Almost surely, 2^131671198 is an apocalyptic number.

131671198 is a deficient number, since it is larger than the sum of its proper divisors (73292642).

131671198 is a wasteful number, since it uses less digits than its factorization.

131671198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11343.

The product of its digits is 9072, while the sum is 37.

The square root of 131671198 is about 11474.8071007752. The cubic root of 131671198 is about 508.7412221922.

It can be divided in two parts, 13167 and 1198, that added together give a triangular number (14365 = T₁₆₉).

The spelling of 131671198 in words is "one hundred thirty-one million, six hundred seventy-one thousand, one hundred ninety-eight".