131444555606 has 32 divisors (see below), whose sum is σ = 242855565120. Its totient is φ = 51959609856.

The previous prime is 131444555603. The next prime is 131444555621. The reversal of 131444555606 is 606555444131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131444555603) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 45551 + ... + 514746.

It is an arithmetic number, because the mean of its divisors is an integer number (7589236410).

Almost surely, 2^131444555606 is an apocalyptic number.

131444555606 is a deficient number, since it is larger than the sum of its proper divisors (111411009514).

131444555606 is a wasteful number, since it uses less digits than its factorization.

131444555606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561608.

The product of its (nonzero) digits is 864000, while the sum is 44.

Adding to 131444555606 its reverse (606555444131), we get a palindrome (737999999737).

The spelling of 131444555606 in words is "one hundred thirty-one billion, four hundred forty-four million, five hundred fifty-five thousand, six hundred six".