13140232035240 has 128 divisors (see below), whose sum is σ = 39643994880000. Its totient is φ = 3484235513088.

The previous prime is 13140232035223. The next prime is 13140232035253. The reversal of 13140232035240 is 4253023204131.

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

It is a junction number, because it is equal to n+sod(n) for n = 13140232035198 and 13140232035207.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37532277 + ... + 37880763.

It is an arithmetic number, because the mean of its divisors is an integer number (309718710000).

Almost surely, 2^{13140232035240} is an apocalyptic number.

13140232035240 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 13140232035240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19821997440000).

13140232035240 is an abundant number, since it is smaller than the sum of its proper divisors (26503762844760).

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

13140232035240 is a wasteful number, since it uses less digits than its factorization.

13140232035240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350279 (or 350275 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 13140232035240 its reverse (4253023204131), we get a palindrome (17393255239371).

The spelling of 13140232035240 in words is "thirteen trillion, one hundred forty billion, two hundred thirty-two million, thirty-five thousand, two hundred forty".