13135769 has 4 divisors (see below), whose sum is σ = 13441296. Its totient is φ = 12830244.

The previous prime is 13135739. The next prime is 13135789. The reversal of 13135769 is 96753131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13135769 is a prime.

It is a super-2 number, since 2×13135769² = 345096854442722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13135729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152699 + ... + 152784.

It is an arithmetic number, because the mean of its divisors is an integer number (3360324).

Almost surely, 2^13135769 is an apocalyptic number.

It is an amenable number.

13135769 is a deficient number, since it is larger than the sum of its proper divisors (305527).

13135769 is an equidigital number, since it uses as much as digits as its factorization.

13135769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305526.

The product of its digits is 17010, while the sum is 35.

The square root of 13135769 is about 3624.3301450061. The cubic root of 13135769 is about 235.9491954701.

The spelling of 13135769 in words is "thirteen million, one hundred thirty-five thousand, seven hundred sixty-nine".