13280493140 has 24 divisors (see below), whose sum is σ = 27891206280. Its totient is φ = 5311783808.

The previous prime is 13280493113. The next prime is 13280493151. The reversal of 13280493140 is 4139408231.

13280493140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 196336144 + 13084156996 = 14012^2 + 114386^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13280493140.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 464294 + ... + 492066.

It is an arithmetic number, because the mean of its divisors is an integer number (1162133595).

Almost surely, 2^13280493140 is an apocalyptic number.

13280493140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13280493140 is an abundant number, since it is smaller than the sum of its proper divisors (14610713140).

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

13280493140 is a wasteful number, since it uses less digits than its factorization.

13280493140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51691 (or 51689 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The spelling of 13280493140 in words is "thirteen billion, two hundred eighty million, four hundred ninety-three thousand, one hundred forty".