131340111436 has 24 divisors (see below), whose sum is σ = 256174213680. Its totient is φ = 58554104832.

The previous prime is 131340111433. The next prime is 131340111451. The reversal of 131340111436 is 634111043131.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (131340111431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50826925 + ... + 50829508.

It is an arithmetic number, because the mean of its divisors is an integer number (10673925570).

Almost surely, 2^131340111436 is an apocalyptic number.

It is an amenable number.

131340111436 is a deficient number, since it is larger than the sum of its proper divisors (124834102244).

131340111436 is a wasteful number, since it uses less digits than its factorization.

131340111436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101656473 (or 101656471 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

Adding to 131340111436 its reverse (634111043131), we get a palindrome (765451154567).

The spelling of 131340111436 in words is "one hundred thirty-one billion, three hundred forty million, one hundred eleven thousand, four hundred thirty-six".