131118567 has 8 divisors (see below), whose sum is σ = 178890624. Its totient is φ = 85379448.

The previous prime is 131118557. The next prime is 131118587. The reversal of 131118567 is 765811131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 131118567 - 2⁴ = 131118551 is a prime.

It is a super-2 number, since 2×131118567² = 34384157224266978, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131118527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 508083 + ... + 508340.

It is an arithmetic number, because the mean of its divisors is an integer number (22361328).

Almost surely, 2^131118567 is an apocalyptic number.

131118567 is a deficient number, since it is larger than the sum of its proper divisors (47772057).

131118567 is a wasteful number, since it uses less digits than its factorization.

131118567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1016469.

The product of its digits is 5040, while the sum is 33.

The square root of 131118567 is about 11450.7015942256. The cubic root of 131118567 is about 508.0284861679.

Adding to 131118567 its reverse (765811131), we get a palindrome (896929698).

The spelling of 131118567 in words is "one hundred thirty-one million, one hundred eighteen thousand, five hundred sixty-seven".