13502530122140 has 24 divisors (see below), whose sum is σ = 28578583444992. Its totient is φ = 5358484393920.

The previous prime is 13502530122131. The next prime is 13502530122181. The reversal of 13502530122140 is 4122103520531.

13502530122140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2657975831 + ... + 2657980910.

It is an arithmetic number, because the mean of its divisors is an integer number (1190774310208).

Almost surely, 2^{13502530122140} is an apocalyptic number.

13502530122140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13502530122140 is an abundant number, since it is smaller than the sum of its proper divisors (15076053322852).

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

13502530122140 is a wasteful number, since it uses less digits than its factorization.

13502530122140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5315956877 (or 5315956875 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 13502530122140 its reverse (4122103520531), we get a palindrome (17624633642671).

The spelling of 13502530122140 in words is "thirteen trillion, five hundred two billion, five hundred thirty million, one hundred twenty-two thousand, one hundred forty".