8711138 has 6 divisors (see below), whose sum is σ = 13072971. Its totient is φ = 4353482.

The previous prime is 8711137. The next prime is 8711141. The reversal of 8711138 is 8311178.

8711138 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 4355569 + 4355569 = 2087^2 + 2087^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=2087.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 8711138.

It is not an unprimeable number, because it can be changed into a prime (8711137) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 3131 + ... + 5217.

Almost surely, 2^8711138 is an apocalyptic number.

8711138 is a deficient number, since it is larger than the sum of its proper divisors (4361833).

8711138 is an frugal number, since it uses more digits than its factorization.

8711138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4176 (or 2089 counting only the distinct ones).

The product of its digits is 1344, while the sum is 29.

The square root of 8711138 is about 2951.4637046726. The cubic root of 8711138 is about 205.7587429177.

The spelling of 8711138 in words is "eight million, seven hundred eleven thousand, one hundred thirty-eight".