800139 has 16 divisors (see below), whose sum is σ = 1170720. Its totient is φ = 483840.

The previous prime is 800131. The next prime is 800143. The reversal of 800139 is 931008.

800139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 800139 - 2³ = 800131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (800131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1209 + ... + 1749.

It is an arithmetic number, because the mean of its divisors is an integer number (73170).

2⁸⁰⁰¹³⁹ is an apocalyptic number.

800139 is a deficient number, since it is larger than the sum of its proper divisors (370581).

800139 is a wasteful number, since it uses less digits than its factorization.

800139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 800139 is about 894.5048909872. The cubic root of 800139 is about 92.8371528680.

It can be divided in two parts, 800 and 139, that added together give a palindrome (939).

The spelling of 800139 in words is "eight hundred thousand, one hundred thirty-nine".