8135709 has 8 divisors (see below), whose sum is σ = 10897152. Its totient is φ = 5399040.

The previous prime is 8135641. The next prime is 8135713. The reversal of 8135709 is 9075318.

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

It is not a de Polignac number, because 8135709 - 2⁷ = 8135581 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8135709.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8135759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5412 + ... + 6749.

It is an arithmetic number, because the mean of its divisors is an integer number (1362144).

Almost surely, 2^8135709 is an apocalyptic number.

It is an amenable number.

8135709 is a deficient number, since it is larger than the sum of its proper divisors (2761443).

8135709 is a wasteful number, since it uses less digits than its factorization.

8135709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12387.

The product of its (nonzero) digits is 7560, while the sum is 33.

The square root of 8135709 is about 2852.3164270466. The cubic root of 8135709 is about 201.1245731577.

The spelling of 8135709 in words is "eight million, one hundred thirty-five thousand, seven hundred nine".