131440365464 has 32 divisors (see below), whose sum is σ = 246744390000. Its totient is φ = 65641923072.

The previous prime is 131440365461. The next prime is 131440365467. The reversal of 131440365464 is 464563044131.

131440365464 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (131440365461) and next prime (131440365467).

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 polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43107812 + ... + 43110860.

Almost surely, 2^131440365464 is an apocalyptic number.

It is an amenable number.

131440365464 is a deficient number, since it is larger than the sum of its proper divisors (115304024536).

131440365464 is a wasteful number, since it uses less digits than its factorization.

131440365464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7707 (or 7703 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 41.

The spelling of 131440365464 in words is "one hundred thirty-one billion, four hundred forty million, three hundred sixty-five thousand, four hundred sixty-four".