13540974827 has 4 divisors (see below), whose sum is σ = 14337502776. Its totient is φ = 12744446880.

The previous prime is 13540974803. The next prime is 13540974829. The reversal of 13540974827 is 72847904531.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13540974827 - 2¹² = 13540970731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13540974829) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 398263949 + ... + 398263982.

It is an arithmetic number, because the mean of its divisors is an integer number (3584375694).

Almost surely, 2^13540974827 is an apocalyptic number.

13540974827 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

13540974827 is a deficient number, since it is larger than the sum of its proper divisors (796527949).

13540974827 is an equidigital number, since it uses as much as digits as its factorization.

13540974827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 796527948.

The product of its (nonzero) digits is 1693440, while the sum is 50.

The spelling of 13540974827 in words is "thirteen billion, five hundred forty million, nine hundred seventy-four thousand, eight hundred twenty-seven".