104131186 has 4 divisors (see below), whose sum is σ = 156196782. Its totient is φ = 52065592.

The previous prime is 104131169. The next prime is 104131187. The reversal of 104131186 is 681131401.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 97397161 + 6734025 = 9869^2 + 2595^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 104131186.

It is not an unprimeable number, because it can be changed into a prime (104131187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26032795 + ... + 26032798.

Almost surely, 2^104131186 is an apocalyptic number.

104131186 is a deficient number, since it is larger than the sum of its proper divisors (52065596).

104131186 is an equidigital number, since it uses as much as digits as its factorization.

104131186 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52065595.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 104131186 is about 10204.4689229768. The cubic root of 104131186 is about 470.4645866369.

Adding to 104131186 its reverse (681131401), we get a palindrome (785262587).

The spelling of 104131186 in words is "one hundred four million, one hundred thirty-one thousand, one hundred eighty-six".