13245343240140 has 576 divisors, whose sum is σ = 45747846144000. Its totient is φ = 3074239733760.

The previous prime is 13245343240133. The next prime is 13245343240141. The reversal of 13245343240140 is 4104234354231.

13245343240140 is a `hidden beast` number, since 1 + 3 + 2 + 45 + 3 + 432 + 40 + 140 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 13245343240095 and 13245343240104.

It is not an unprimeable number, because it can be changed into a prime (13245343240141) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 801331396 + ... + 801347924.

It is an arithmetic number, because the mean of its divisors is an integer number (79423344000).

Almost surely, 2^{13245343240140} is an apocalyptic number.

13245343240140 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 13245343240140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22873923072000).

13245343240140 is an abundant number, since it is smaller than the sum of its proper divisors (32502502903860).

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

13245343240140 is a wasteful number, since it uses less digits than its factorization.

13245343240140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16790 (or 16785 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 36.

Adding to 13245343240140 its reverse (4104234354231), we get a palindrome (17349577594371).

The spelling of 13245343240140 in words is "thirteen trillion, two hundred forty-five billion, three hundred forty-three million, two hundred forty thousand, one hundred forty".