8132563939 has 16 divisors (see below), whose sum is σ = 8595828000. Its totient is φ = 7672907520.

The previous prime is 8132563937. The next prime is 8132563961. The reversal of 8132563939 is 9393652318.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 8132563939 - 2¹ = 8132563937 is a prime.

It is a super-2 number, since 2×8132563939² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8132563892 and 8132563901.

It is not an unprimeable number, because it can be changed into a prime (8132563937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7664469 + ... + 7665529.

It is an arithmetic number, because the mean of its divisors is an integer number (537239250).

Almost surely, 2^8132563939 is an apocalyptic number.

8132563939 is a deficient number, since it is larger than the sum of its proper divisors (463264061).

8132563939 is a wasteful number, since it uses less digits than its factorization.

8132563939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2358.

The product of its digits is 1049760, while the sum is 49.

The square root of 8132563939 is about 90180.7293106460. The cubic root of 8132563939 is about 2010.9865324592.

The spelling of 8132563939 in words is "eight billion, one hundred thirty-two million, five hundred sixty-three thousand, nine hundred thirty-nine".