13540022513 has 8 divisors (see below), whose sum is σ = 14368190400. Its totient is φ = 12731810608.

The previous prime is 13540022477. The next prime is 13540022543. The reversal of 13540022513 is 31522004531.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13540022513 - 2⁸ = 13540022257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13540022543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4987598 + ... + 4990311.

It is an arithmetic number, because the mean of its divisors is an integer number (1796023800).

Almost surely, 2^13540022513 is an apocalyptic number.

It is an amenable number.

13540022513 is a deficient number, since it is larger than the sum of its proper divisors (828167887).

13540022513 is an equidigital number, since it uses as much as digits as its factorization.

13540022513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9977991.

The product of its (nonzero) digits is 3600, while the sum is 26.

The spelling of 13540022513 in words is "thirteen billion, five hundred forty million, twenty-two thousand, five hundred thirteen".