8138732288 has 36 divisors (see below), whose sum is σ = 16252559400. Its totient is φ = 4067641344.

The previous prime is 8138732267. The next prime is 8138732291. The reversal of 8138732288 is 8822378318.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 775331 + ... + 785757.

Almost surely, 2^8138732288 is an apocalyptic number.

It is an amenable number.

8138732288 is a deficient number, since it is larger than the sum of its proper divisors (8113827112).

8138732288 is a wasteful number, since it uses less digits than its factorization.

8138732288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13492 (or 13478 counting only the distinct ones).

The product of its digits is 1032192, while the sum is 50.

The square root of 8138732288 is about 90214.9227567147. The cubic root of 8138732288 is about 2011.4948318516.

The spelling of 8138732288 in words is "eight billion, one hundred thirty-eight million, seven hundred thirty-two thousand, two hundred eighty-eight".