8069139 has 40 divisors (see below), whose sum is σ = 13280960. Its totient is φ = 4852224.

The previous prime is 8069119. The next prime is 8069143. The reversal of 8069139 is 9319608.

8069139 = 22³ + 23³ + ... + 75³.

It is not a de Polignac number, because 8069139 - 2⁵ = 8069107 is a prime.

It is a super-2 number, since 2×8069139² = 130222008402642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8069119) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 83139 + ... + 83235.

It is an arithmetic number, because the mean of its divisors is an integer number (332024).

Almost surely, 2^8069139 is an apocalyptic number.

8069139 is a deficient number, since it is larger than the sum of its proper divisors (5211821).

8069139 is a wasteful number, since it uses less digits than its factorization.

8069139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201 (or 192 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 8069139 is about 2840.6229950488. The cubic root of 8069139 is about 200.5745064648.

The spelling of 8069139 in words is "eight million, sixty-nine thousand, one hundred thirty-nine".