8334139528 has 64 divisors (see below), whose sum is σ = 18536918400. Its totient is φ = 3462842880.

The previous prime is 8334139519. The next prime is 8334139531. The reversal of 8334139528 is 8259314338.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82468 + ... + 153196.

It is an arithmetic number, because the mean of its divisors is an integer number (289639350).

Almost surely, 2^8334139528 is an apocalyptic number.

8334139528 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8334139528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9268459200).

8334139528 is an abundant number, since it is smaller than the sum of its proper divisors (10202778872).

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

8334139528 is a wasteful number, since it uses less digits than its factorization.

8334139528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70862 (or 70858 counting only the distinct ones).

The product of its digits is 622080, while the sum is 46.

The square root of 8334139528 is about 91291.5085207819. The cubic root of 8334139528 is about 2027.4660422671.

The spelling of 8334139528 in words is "eight billion, three hundred thirty-four million, one hundred thirty-nine thousand, five hundred twenty-eight".