8134688756 has 6 divisors (see below), whose sum is σ = 14235705330. Its totient is φ = 4067344376.

The previous prime is 8134688743. The next prime is 8134688759. The reversal of 8134688756 is 6578864318.

It can be written as a sum of positive squares in only one way, i.e., 4397811856 + 3736876900 = 66316^2 + 61130^2 .

It is a super-2 number, since 2×8134688756² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8134688759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1016836091 + ... + 1016836098.

It is an arithmetic number, because the mean of its divisors is an integer number (2372617555).

Almost surely, 2^8134688756 is an apocalyptic number.

It is an amenable number.

8134688756 is a deficient number, since it is larger than the sum of its proper divisors (6101016574).

8134688756 is a wasteful number, since it uses less digits than its factorization.

8134688756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2033672193 (or 2033672191 counting only the distinct ones).

The product of its digits is 7741440, while the sum is 56.

The square root of 8134688756 is about 90192.5094229005. The cubic root of 8134688756 is about 2011.1616558405.

The spelling of 8134688756 in words is "eight billion, one hundred thirty-four million, six hundred eighty-eight thousand, seven hundred fifty-six".