131440444034554 has 16 divisors (see below), whose sum is σ = 208784224377000. Its totient is φ = 61846660801024.

The previous prime is 131440444034441. The next prime is 131440444034569. The reversal of 131440444034554 is 455430444044131.

It can be written as a sum of positive squares in 4 ways, for example, as 47833614954225 + 83606829080329 = 6916185^2 + 9143677^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 239277979 + ... + 239826670.

Almost surely, 2^{131440444034554} is an apocalyptic number.

131440444034554 is a deficient number, since it is larger than the sum of its proper divisors (77343780342446).

131440444034554 is a wasteful number, since it uses less digits than its factorization.

131440444034554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479112737.

The product of its (nonzero) digits is 3686400, while the sum is 46.

Adding to 131440444034554 its reverse (455430444044131), we get a palindrome (586870888078685).

The spelling of 131440444034554 in words is "one hundred thirty-one trillion, four hundred forty billion, four hundred forty-four million, thirty-four thousand, five hundred fifty-four".