8064139 has 4 divisors (see below), whose sum is σ = 8196400. Its totient is φ = 7931880.

The previous prime is 8064127. The next prime is 8064149. The reversal of 8064139 is 9314608.

8064139 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 8064139 - 2⁵ = 8064107 is a prime.

It is a super-2 number, since 2×8064139² = 130060675622642, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8064139.

It is not an unprimeable number, because it can be changed into a prime (8064149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66039 + ... + 66160.

It is an arithmetic number, because the mean of its divisors is an integer number (2049100).

Almost surely, 2^8064139 is an apocalyptic number.

8064139 is a deficient number, since it is larger than the sum of its proper divisors (132261).

8064139 is a wasteful number, since it uses less digits than its factorization.

8064139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132260.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 8064139 is about 2839.7427700410. The cubic root of 8064139 is about 200.5330695884.

The spelling of 8064139 in words is "eight million, sixty-four thousand, one hundred thirty-nine".