8007139 has 6 divisors (see below), whose sum is σ = 9314484. Its totient is φ = 6863220.

The previous prime is 8007127. The next prime is 8007143. The reversal of 8007139 is 9317008.

It is not a de Polignac number, because 8007139 - 2⁷ = 8007011 is a prime.

It is a super-2 number, since 2×8007139² = 128228549930642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8007199) 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, 81657 + ... + 81754.

It is an arithmetic number, because the mean of its divisors is an integer number (1552414).

Almost surely, 2^8007139 is an apocalyptic number.

8007139 is a deficient number, since it is larger than the sum of its proper divisors (1307345).

8007139 is a wasteful number, since it uses less digits than its factorization.

8007139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163425 (or 163418 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 8007139 is about 2829.6888521532. The cubic root of 8007139 is about 200.0594739791.

The spelling of 8007139 in words is "eight million, seven thousand, one hundred thirty-nine".