7001139 has 8 divisors (see below), whose sum is σ = 9826240. Its totient is φ = 4421736.

The previous prime is 7001123. The next prime is 7001213. The reversal of 7001139 is 9311007.

7001139 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7001139 - 2⁴ = 7001123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7001639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61357 + ... + 61470.

It is an arithmetic number, because the mean of its divisors is an integer number (1228280).

Almost surely, 2^7001139 is an apocalyptic number.

7001139 is a deficient number, since it is larger than the sum of its proper divisors (2825101).

7001139 is a wasteful number, since it uses less digits than its factorization.

7001139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122849.

The product of its (nonzero) digits is 189, while the sum is 21.

The square root of 7001139 is about 2645.9665530766. The cubic root of 7001139 is about 191.3034930889.

It can be divided in two parts, 7001 and 139, that added together give a triangular number (7140 = T₁₁₉).

The spelling of 7001139 in words is "seven million, one thousand, one hundred thirty-nine".