13140510520440 has 32 divisors (see below), whose sum is σ = 39421531561680. Its totient is φ = 3504136138752.

The previous prime is 13140510520409. The next prime is 13140510520507. The reversal of 13140510520440 is 4402501504131.

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 = 13140510520398 and 13140510520407.

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, 54752127049 + ... + 54752127288.

Almost surely, 2^{13140510520440} is an apocalyptic number.

13140510520440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13140510520440 is an abundant number, since it is smaller than the sum of its proper divisors (26281021041240).

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

13140510520440 is a wasteful number, since it uses less digits than its factorization.

13140510520440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109504254351 (or 109504254347 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The spelling of 13140510520440 in words is "thirteen trillion, one hundred forty billion, five hundred ten million, five hundred twenty thousand, four hundred forty".