8131936 has 24 divisors (see below), whose sum is σ = 16102800. Its totient is φ = 4042368.

The previous prime is 8131931. The next prime is 8131939. The reversal of 8131936 is 6391318.

It is a super-2 number, since 2×8131936² = 132256766216192, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8131898 and 8131907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8131931) 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, 5730 + ... + 7006.

It is an arithmetic number, because the mean of its divisors is an integer number (670950).

Almost surely, 2^8131936 is an apocalyptic number.

It is an amenable number.

8131936 is a deficient number, since it is larger than the sum of its proper divisors (7970864).

8131936 is a wasteful number, since it uses less digits than its factorization.

8131936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1486 (or 1478 counting only the distinct ones).

The product of its digits is 3888, while the sum is 31.

The square root of 8131936 is about 2851.6549580901. The cubic root of 8131936 is about 201.0934773080.

The spelling of 8131936 in words is "eight million, one hundred thirty-one thousand, nine hundred thirty-six".