131441243664 has 40 divisors (see below), whose sum is σ = 339961366080. Its totient is φ = 43761513088.

The previous prime is 131441243653. The next prime is 131441243693. The reversal of 131441243664 is 466342144131.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1591647 + ... + 1672190.

It is an arithmetic number, because the mean of its divisors is an integer number (8499034152).

Almost surely, 2^131441243664 is an apocalyptic number.

It is an amenable number.

131441243664 is an abundant number, since it is smaller than the sum of its proper divisors (208520122416).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131441243664 is a wasteful number, since it uses less digits than its factorization.

131441243664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3264687 (or 3264681 counting only the distinct ones).

The product of its digits is 165888, while the sum is 39.

Adding to 131441243664 its reverse (466342144131), we get a palindrome (597783387795).

The spelling of 131441243664 in words is "one hundred thirty-one billion, four hundred forty-one million, two hundred forty-three thousand, six hundred sixty-four".