8131336 has 16 divisors (see below), whose sum is σ = 15302700. Its totient is φ = 4050624.

The previous prime is 8131327. The next prime is 8131337. The reversal of 8131336 is 6331318.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8122500 + 8836 = 2850^2 + 94^2 .

It is a super-2 number, since 2×8131336² = 132237250289792, which contains 22 as substring.

It is a nialpdrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 8131336.

It is not an unprimeable number, because it can be changed into a prime (8131337) 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, 610 + ... + 4078.

Almost surely, 2^8131336 is an apocalyptic number.

It is an amenable number.

8131336 is a deficient number, since it is larger than the sum of its proper divisors (7171364).

8131336 is a wasteful number, since it uses less digits than its factorization.

8131336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3768 (or 3764 counting only the distinct ones).

The product of its digits is 1296, while the sum is 25.

The square root of 8131336 is about 2851.5497540811. The cubic root of 8131336 is about 201.0885314151.

The spelling of 8131336 in words is "eight million, one hundred thirty-one thousand, three hundred thirty-six".