8136769 has 4 divisors (see below), whose sum is σ = 8565040. Its totient is φ = 7708500.

The previous prime is 8136743. The next prime is 8136833. The reversal of 8136769 is 9676318.

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, and also an emirpimes, since its reverse is a distinct semiprime: 9676318 = 2 ⋅4838159.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8136769 is a prime.

It is a super-2 number, since 2×8136769² = 132414019518722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8136169) 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, 214107 + ... + 214144.

It is an arithmetic number, because the mean of its divisors is an integer number (2141260).

Almost surely, 2^8136769 is an apocalyptic number.

It is an amenable number.

8136769 is a deficient number, since it is larger than the sum of its proper divisors (428271).

8136769 is a wasteful number, since it uses less digits than its factorization.

8136769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428270.

The product of its digits is 54432, while the sum is 40.

The square root of 8136769 is about 2852.5022348808. The cubic root of 8136769 is about 201.1333076060.

The spelling of 8136769 in words is "eight million, one hundred thirty-six thousand, seven hundred sixty-nine".