8151139536 has 80 divisors (see below), whose sum is σ = 22193371200. Its totient is φ = 2570793984.

The previous prime is 8151139489. The next prime is 8151139543. The reversal of 8151139536 is 6359311518.

It is a congruent number.

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, 776370 + ... + 786798.

It is an arithmetic number, because the mean of its divisors is an integer number (277417140).

Almost surely, 2^8151139536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8151139536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11096685600).

8151139536 is an abundant number, since it is smaller than the sum of its proper divisors (14042231664).

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

8151139536 is a wasteful number, since it uses less digits than its factorization.

8151139536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11316 (or 11310 counting only the distinct ones).

The product of its digits is 97200, while the sum is 42.

The square root of 8151139536 is about 90283.6615119258. The cubic root of 8151139536 is about 2012.5164669563.

The spelling of 8151139536 in words is "eight billion, one hundred fifty-one million, one hundred thirty-nine thousand, five hundred thirty-six".