8135913 has 8 divisors (see below), whose sum is σ = 10869408. Its totient is φ = 5413184.

The previous prime is 8135899. The next prime is 8135927. The reversal of 8135913 is 3195318.

It is a happy number.

8135913 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (8135899) and next prime (8135927).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8135913 is a prime.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (8135983) 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, 720 + ... + 4097.

It is an arithmetic number, because the mean of its divisors is an integer number (1358676).

Almost surely, 2^8135913 is an apocalyptic number.

It is an amenable number.

8135913 is a deficient number, since it is larger than the sum of its proper divisors (2733495).

8135913 is a wasteful number, since it uses less digits than its factorization.

8135913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5383.

The product of its digits is 3240, while the sum is 30.

The square root of 8135913 is about 2852.3521872307. The cubic root of 8135913 is about 201.1262541859.

The spelling of 8135913 in words is "eight million, one hundred thirty-five thousand, nine hundred thirteen".