13565793140 has 12 divisors (see below), whose sum is σ = 28488165636. Its totient is φ = 5426317248.

The previous prime is 13565793103. The next prime is 13565793167. The reversal of 13565793140 is 4139756531.

It can be written as a sum of positive squares in 2 ways, for example, as 2594068624 + 10971724516 = 50932^2 + 104746^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13565793091 and 13565793100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 339144809 + ... + 339144848.

It is an arithmetic number, because the mean of its divisors is an integer number (2374013803).

Almost surely, 2^13565793140 is an apocalyptic number.

13565793140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13565793140 is an abundant number, since it is smaller than the sum of its proper divisors (14922372496).

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

13565793140 is a wasteful number, since it uses less digits than its factorization.

13565793140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678289666 (or 678289664 counting only the distinct ones).

The product of its (nonzero) digits is 340200, while the sum is 44.

The spelling of 13565793140 in words is "thirteen billion, five hundred sixty-five million, seven hundred ninety-three thousand, one hundred forty".