131424518724 has 72 divisors (see below), whose sum is σ = 327795814080. Its totient is φ = 40933005120.

The previous prime is 131424518723. The next prime is 131424518773. The reversal of 131424518724 is 427815424131.

131424518724 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (131424518723) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 137937 + ... + 530919.

It is an arithmetic number, because the mean of its divisors is an integer number (4552719640).

Almost surely, 2^131424518724 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131424518724, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163897907040).

131424518724 is an abundant number, since it is smaller than the sum of its proper divisors (196371295356).

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

131424518724 is a wasteful number, since it uses less digits than its factorization.

131424518724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393081 (or 393048 counting only the distinct ones).

The product of its digits is 215040, while the sum is 42.

The spelling of 131424518724 in words is "one hundred thirty-one billion, four hundred twenty-four million, five hundred eighteen thousand, seven hundred twenty-four".