13515665134 has 8 divisors (see below), whose sum is σ = 20501290080. Its totient is φ = 6681901776.

The previous prime is 13515665117. The next prime is 13515665173. The reversal of 13515665134 is 43156651531.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37965174 + ... + 37965529.

It is an arithmetic number, because the mean of its divisors is an integer number (2562661260).

Almost surely, 2^13515665134 is an apocalyptic number.

13515665134 is a deficient number, since it is larger than the sum of its proper divisors (6985624946).

13515665134 is an equidigital number, since it uses as much as digits as its factorization.

13515665134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75930794.

The product of its digits is 162000, while the sum is 40.

The spelling of 13515665134 in words is "thirteen billion, five hundred fifteen million, six hundred sixty-five thousand, one hundred thirty-four".