13531404124 has 48 divisors (see below), whose sum is σ = 27266867712. Its totient is φ = 5755557312.

The previous prime is 13531404121. The next prime is 13531404143. The reversal of 13531404124 is 42140413531.

13531404124 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 13531404092 and 13531404101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13531404121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3678174 + ... + 3681850.

It is an arithmetic number, because the mean of its divisors is an integer number (568059744).

Almost surely, 2^13531404124 is an apocalyptic number.

13531404124 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13531404124 is an abundant number, since it is smaller than the sum of its proper divisors (13735463588).

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

13531404124 is a wasteful number, since it uses less digits than its factorization.

13531404124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4642 (or 4640 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 13531404124 its reverse (42140413531), we get a palindrome (55671817655).

The spelling of 13531404124 in words is "thirteen billion, five hundred thirty-one million, four hundred four thousand, one hundred twenty-four".