131444226772 has 12 divisors (see below), whose sum is σ = 234921597120. Its totient is φ = 64323770456.

The previous prime is 131444226761. The next prime is 131444226787. The reversal of 131444226772 is 277622444131.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 349585522 + ... + 349585897.

It is an arithmetic number, because the mean of its divisors is an integer number (19576799760).

Almost surely, 2^131444226772 is an apocalyptic number.

It is an amenable number.

131444226772 is a deficient number, since it is larger than the sum of its proper divisors (103477370348).

131444226772 is a wasteful number, since it uses less digits than its factorization.

131444226772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 699171470 (or 699171468 counting only the distinct ones).

The product of its digits is 451584, while the sum is 43.

The spelling of 131444226772 in words is "one hundred thirty-one billion, four hundred forty-four million, two hundred twenty-six thousand, seven hundred seventy-two".