8135390 has 16 divisors (see below), whose sum is σ = 14796432. Its totient is φ = 3220224.

The previous prime is 8135389. The next prime is 8135417. The reversal of 8135390 is 935318.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3224 + ... + 5163.

It is an arithmetic number, because the mean of its divisors is an integer number (924777).

Almost surely, 2^8135390 is an apocalyptic number.

8135390 is a deficient number, since it is larger than the sum of its proper divisors (6661042).

8135390 is a wasteful number, since it uses less digits than its factorization.

8135390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8491.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 8135390 is about 2852.2605070365. The cubic root of 8135390 is about 201.1219444346.

The spelling of 8135390 in words is "eight million, one hundred thirty-five thousand, three hundred ninety".