13135502065 has 8 divisors (see below), whose sum is σ = 18014402880. Its totient is φ = 9007201392.

The previous prime is 13135502027. The next prime is 13135502069. The reversal of 13135502065 is 56020553131.

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

It is not a de Polignac number, because 13135502065 - 2⁷ = 13135501937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13135502069) 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, 187649995 + ... + 187650064.

It is an arithmetic number, because the mean of its divisors is an integer number (2251800360).

Almost surely, 2^13135502065 is an apocalyptic number.

It is an amenable number.

13135502065 is a deficient number, since it is larger than the sum of its proper divisors (4878900815).

13135502065 is an equidigital number, since it uses as much as digits as its factorization.

13135502065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375300071.

The product of its (nonzero) digits is 13500, while the sum is 31.

The spelling of 13135502065 in words is "thirteen billion, one hundred thirty-five million, five hundred two thousand, sixty-five".