131340444505 has 16 divisors (see below), whose sum is σ = 163145437200. Its totient is φ = 101385625600.

The previous prime is 131340444481. The next prime is 131340444509. The reversal of 131340444505 is 505444043131.

It can be written as a sum of positive squares in 8 ways, for example, as 2591522649 + 128748921856 = 50907^2 + 358816^2 .

It is not a de Polignac number, because 131340444505 - 2¹³ = 131340436313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131340444509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50740 + ... + 515029.

It is an arithmetic number, because the mean of its divisors is an integer number (10196589825).

Almost surely, 2^131340444505 is an apocalyptic number.

It is an amenable number.

131340444505 is a deficient number, since it is larger than the sum of its proper divisors (31804992695).

131340444505 is a wasteful number, since it uses less digits than its factorization.

131340444505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567404.

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 131340444505 its reverse (505444043131), we get a palindrome (636784487636).

The spelling of 131340444505 in words is "one hundred thirty-one billion, three hundred forty million, four hundred forty-four thousand, five hundred five".