131440365462 has 96 divisors (see below), whose sum is σ = 308994099840. Its totient is φ = 37163871360.

The previous prime is 131440365461. The next prime is 131440365467. The reversal of 131440365462 is 264563044131.

It is a self number, because there is not a number n which added to its sum of digits gives 131440365462.

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 47 ways as a sum of consecutive naturals, for example, 13327089 + ... + 13336947.

It is an arithmetic number, because the mean of its divisors is an integer number (3218688540).

Almost surely, 2^131440365462 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131440365462, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154497049920).

131440365462 is an abundant number, since it is smaller than the sum of its proper divisors (177553734378).

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

131440365462 is a wasteful number, since it uses less digits than its factorization.

131440365462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10346 (or 10339 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 39.

The spelling of 131440365462 in words is "one hundred thirty-one billion, four hundred forty million, three hundred sixty-five thousand, four hundred sixty-two".