131136112 has 10 divisors (see below), whose sum is σ = 254076248. Its totient is φ = 65568048.

The previous prime is 131136091. The next prime is 131136121. The reversal of 131136112 is 211631131.

It is a self number, because there is not a number n which added to its sum of digits gives 131136112.

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, 4097988 + ... + 4098019.

Almost surely, 2^131136112 is an apocalyptic number.

It is an amenable number.

131136112 is a deficient number, since it is larger than the sum of its proper divisors (122940136).

131136112 is an equidigital number, since it uses as much as digits as its factorization.

131136112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8196015 (or 8196009 counting only the distinct ones).

The product of its digits is 108, while the sum is 19.

The square root of 131136112 is about 11451.4676788611. The cubic root of 131136112 is about 508.0511449529.

Adding to 131136112 its reverse (211631131), we get a palindrome (342767243).

The spelling of 131136112 in words is "one hundred thirty-one million, one hundred thirty-six thousand, one hundred twelve".