131116136 has 16 divisors (see below), whose sum is σ = 245968800. Its totient is φ = 65524464.

The previous prime is 131116133. The next prime is 131116171. The reversal of 131116136 is 631611131.

It is a super-2 number, since 2×131116136² = 34382882239140992, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131116133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21971 + ... + 27293.

It is an arithmetic number, because the mean of its divisors is an integer number (15373050).

Almost surely, 2^131116136 is an apocalyptic number.

It is an amenable number.

131116136 is a deficient number, since it is larger than the sum of its proper divisors (114852664).

131116136 is a wasteful number, since it uses less digits than its factorization.

131116136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8408 (or 8404 counting only the distinct ones).

The product of its digits is 324, while the sum is 23.

The square root of 131116136 is about 11450.5954430326. The cubic root of 131116136 is about 508.0253464527.

Adding to 131116136 its reverse (631611131), we get a palindrome (762727267).

The spelling of 131116136 in words is "one hundred thirty-one million, one hundred sixteen thousand, one hundred thirty-six".