13140124424 has 128 divisors (see below), whose sum is σ = 30028800000. Its totient is φ = 5265596160.

The previous prime is 13140124421. The next prime is 13140124451. The reversal of 13140124424 is 42442104131.

It is a junction number, because it is equal to n+sod(n) for n = 13140124393 and 13140124402.

It is not an unprimeable number, because it can be changed into a prime (13140124421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48487409 + ... + 48487679.

It is an arithmetic number, because the mean of its divisors is an integer number (234600000).

Almost surely, 2^13140124424 is an apocalyptic number.

13140124424 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13140124424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15014400000).

13140124424 is an abundant number, since it is smaller than the sum of its proper divisors (16888675576).

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

13140124424 is a wasteful number, since it uses less digits than its factorization.

13140124424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 731 (or 727 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 13140124424 its reverse (42442104131), we get a palindrome (55582228555).

The spelling of 13140124424 in words is "thirteen billion, one hundred forty million, one hundred twenty-four thousand, four hundred twenty-four".