8264138 has 4 divisors (see below), whose sum is σ = 12396210. Its totient is φ = 4132068.

The previous prime is 8264119. The next prime is 8264141. The reversal of 8264138 is 8314628.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 5870929 + 2393209 = 2423^2 + 1547^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2066033 + ... + 2066036.

Almost surely, 2^8264138 is an apocalyptic number.

8264138 is a deficient number, since it is larger than the sum of its proper divisors (4132072).

8264138 is a wasteful number, since it uses less digits than its factorization.

8264138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4132071.

The product of its digits is 9216, while the sum is 32.

The square root of 8264138 is about 2874.7413796723. The cubic root of 8264138 is about 202.1773595060.

The spelling of 8264138 in words is "eight million, two hundred sixty-four thousand, one hundred thirty-eight".