13540825716 has 48 divisors (see below), whose sum is σ = 34508920320. Its totient is φ = 4098356320.

The previous prime is 13540825693. The next prime is 13540825751. The reversal of 13540825716 is 61752804531.

It is a happy number.

It is a super-2 number, since 2×13540825716² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49615 + ... + 171881.

It is an arithmetic number, because the mean of its divisors is an integer number (718935840).

Almost surely, 2^13540825716 is an apocalyptic number.

It is an amenable number.

13540825716 is an abundant number, since it is smaller than the sum of its proper divisors (20968094604).

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

13540825716 is a wasteful number, since it uses less digits than its factorization.

13540825716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123124 (or 123122 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 42.

The spelling of 13540825716 in words is "thirteen billion, five hundred forty million, eight hundred twenty-five thousand, seven hundred sixteen".