7139039 has 8 divisors (see below), whose sum is σ = 7651680. Its totient is φ = 6643296.

The previous prime is 7139023. The next prime is 7139071. The reversal of 7139039 is 9309317.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 7139039 - 2⁴ = 7139023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7138996 and 7139014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7139009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3344 + ... + 5045.

It is an arithmetic number, because the mean of its divisors is an integer number (956460).

Almost surely, 2^7139039 is an apocalyptic number.

7139039 is a deficient number, since it is larger than the sum of its proper divisors (512641).

7139039 is a wasteful number, since it uses less digits than its factorization.

7139039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8449.

The product of its (nonzero) digits is 5103, while the sum is 32.

The square root of 7139039 is about 2671.8980145208. The cubic root of 7139039 is about 192.5513575232.

The spelling of 7139039 in words is "seven million, one hundred thirty-nine thousand, thirty-nine".