131322766 has 16 divisors (see below), whose sum is σ = 202107024. Its totient is φ = 63975744.

The previous prime is 131322757. The next prime is 131322769. The reversal of 131322766 is 667223131.

131322766 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131322769) 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, 6700 + ... + 17536.

It is an arithmetic number, because the mean of its divisors is an integer number (12631689).

Almost surely, 2^131322766 is an apocalyptic number.

131322766 is a deficient number, since it is larger than the sum of its proper divisors (70784258).

131322766 is a wasteful number, since it uses less digits than its factorization.

131322766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10995.

The product of its digits is 9072, while the sum is 31.

The square root of 131322766 is about 11459.6145659442. The cubic root of 131322766 is about 508.2920773708.

Adding to 131322766 its reverse (667223131), we get a palindrome (798545897).

The spelling of 131322766 in words is "one hundred thirty-one million, three hundred twenty-two thousand, seven hundred sixty-six".