13140242321250 has 160 divisors (see below), whose sum is σ = 35872230461760. Its totient is φ = 3181363200000.

The previous prime is 13140242321231. The next prime is 13140242321257. The reversal of 13140242321250 is 5212324204131.

It is a happy number.

It is a super-2 number, since 2×13140242321250² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13140242321257) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 31514130 + ... + 31928370.

It is an arithmetic number, because the mean of its divisors is an integer number (224201440386).

Almost surely, 2^{13140242321250} is an apocalyptic number.

13140242321250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13140242321250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17936115230880).

13140242321250 is an abundant number, since it is smaller than the sum of its proper divisors (22731988140510).

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

13140242321250 is a wasteful number, since it uses less digits than its factorization.

13140242321250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415046 (or 415031 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 13140242321250 its reverse (5212324204131), we get a palindrome (18352566525381).

The spelling of 13140242321250 in words is "thirteen trillion, one hundred forty billion, two hundred forty-two million, three hundred twenty-one thousand, two hundred fifty".