13140234243500 has 384 divisors, whose sum is σ = 37476520833024. Its totient is φ = 3905891020800.

The previous prime is 13140234243497. The next prime is 13140234243511. The reversal of 13140234243500 is 534243204131.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 376677059 + ... + 376711941.

It is an arithmetic number, because the mean of its divisors is an integer number (97595106336).

Almost surely, 2^{13140234243500} is an apocalyptic number.

13140234243500 is a gapful number since it is divisible by the number (10) 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 13140234243500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18738260416512).

13140234243500 is an abundant number, since it is smaller than the sum of its proper divisors (24336286589524).

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

13140234243500 is a wasteful number, since it uses less digits than its factorization.

13140234243500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35426 (or 35414 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 13140234243500 its reverse (534243204131), we get a palindrome (13674477447631).

The spelling of 13140234243500 in words is "thirteen trillion, one hundred forty billion, two hundred thirty-four million, two hundred forty-three thousand, five hundred".