8131364 has 6 divisors (see below), whose sum is σ = 14229894. Its totient is φ = 4065680.

The previous prime is 8131363. The next prime is 8131369. The reversal of 8131364 is 4631318.

It can be written as a sum of positive squares in only one way, i.e., 5382400 + 2748964 = 2320^2 + 1658^2 .

It is a super-2 number, since 2×8131364² = 132238161000992, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8131363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1016417 + ... + 1016424.

It is an arithmetic number, because the mean of its divisors is an integer number (2371649).

Almost surely, 2^8131364 is an apocalyptic number.

It is an amenable number.

8131364 is a deficient number, since it is larger than the sum of its proper divisors (6098530).

8131364 is a wasteful number, since it uses less digits than its factorization.

8131364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2032845 (or 2032843 counting only the distinct ones).

The product of its digits is 1728, while the sum is 26.

The square root of 8131364 is about 2851.5546636879. The cubic root of 8131364 is about 201.0887622289.

The spelling of 8131364 in words is "eight million, one hundred thirty-one thousand, three hundred sixty-four".