131141198 has 4 divisors (see below), whose sum is σ = 196711800. Its totient is φ = 65570598.

The previous prime is 131141167. The next prime is 131141203. The reversal of 131141198 is 891141131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 891141131 = 61 ⋅14608871.

It is a self number, because there is not a number n which added to its sum of digits gives 131141198.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32785298 + ... + 32785301.

It is an arithmetic number, because the mean of its divisors is an integer number (49177950).

Almost surely, 2^131141198 is an apocalyptic number.

131141198 is a deficient number, since it is larger than the sum of its proper divisors (65570602).

131141198 is an equidigital number, since it uses as much as digits as its factorization.

131141198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65570601.

The product of its digits is 864, while the sum is 29.

The square root of 131141198 is about 11451.6897443128. The cubic root of 131141198 is about 508.0577129752.

The spelling of 131141198 in words is "one hundred thirty-one million, one hundred forty-one thousand, one hundred ninety-eight".