8139270224 has 30 divisors (see below), whose sum is σ = 16294981050. Its totient is φ = 3938349120.

The previous prime is 8139270197. The next prime is 8139270229. The reversal of 8139270224 is 4220729318.

It can be written as a sum of positive squares in only one way, i.e., 4567056400 + 3572213824 = 67580^2 + 59768^2 .

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8139270229) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 249299 + ... + 280050.

It is an arithmetic number, because the mean of its divisors is an integer number (543166035).

Almost surely, 2^8139270224 is an apocalyptic number.

It is an amenable number.

8139270224 is an abundant number, since it is smaller than the sum of its proper divisors (8155710826).

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

8139270224 is a wasteful number, since it uses less digits than its factorization.

8139270224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529419 (or 529382 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 8139270224 is about 90217.9041210779. The cubic root of 8139270224 is about 2011.5391479935.

The spelling of 8139270224 in words is "eight billion, one hundred thirty-nine million, two hundred seventy thousand, two hundred twenty-four".