131440365463 has 16 divisors (see below), whose sum is σ = 147161048832. Its totient is φ = 116388832000.

The previous prime is 131440365461. The next prime is 131440365467. The reversal of 131440365463 is 364563044131.

It is a cyclic number.

It is not a de Polignac number, because 131440365463 - 2¹ = 131440365461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131440365461) 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, 949018 + ... + 1078663.

It is an arithmetic number, because the mean of its divisors is an integer number (9197565552).

Almost surely, 2^131440365463 is an apocalyptic number.

131440365463 is a deficient number, since it is larger than the sum of its proper divisors (15720683369).

131440365463 is a wasteful number, since it uses less digits than its factorization.

131440365463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2027846.

The product of its (nonzero) digits is 311040, while the sum is 40.

The spelling of 131440365463 in words is "one hundred thirty-one billion, four hundred forty million, three hundred sixty-five thousand, four hundred sixty-three".