8132574534 has 64 divisors (see below), whose sum is σ = 19503132672. Its totient is φ = 2211753600.

The previous prime is 8132574533. The next prime is 8132574551. The reversal of 8132574534 is 4354752318.

It is a super-2 number, since 2×8132574534² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8132574533) 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 31 ways as a sum of consecutive naturals, for example, 28224 + ... + 130620.

It is an arithmetic number, because the mean of its divisors is an integer number (304736448).

Almost surely, 2^8132574534 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8132574534, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9751566336).

8132574534 is an abundant number, since it is smaller than the sum of its proper divisors (11370558138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8132574534 is a wasteful number, since it uses less digits than its factorization.

8132574534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102501.

The product of its digits is 403200, while the sum is 42.

The square root of 8132574534 is about 90180.7880537756. The cubic root of 8132574534 is about 2010.9874057546.

The spelling of 8132574534 in words is "eight billion, one hundred thirty-two million, five hundred seventy-four thousand, five hundred thirty-four".