7139589 has 8 divisors (see below), whose sum is σ = 9614112. Its totient is φ = 4712400.

The previous prime is 7139581. The next prime is 7139603. The reversal of 7139589 is 9859317.

It is a happy number.

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

It is not a de Polignac number, because 7139589 - 2³ = 7139581 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 7139589.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7139581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11479 + ... + 12084.

It is an arithmetic number, because the mean of its divisors is an integer number (1201764).

Almost surely, 2^7139589 is an apocalyptic number.

It is an amenable number.

7139589 is a deficient number, since it is larger than the sum of its proper divisors (2474523).

7139589 is a wasteful number, since it uses less digits than its factorization.

7139589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23667.

The product of its digits is 68040, while the sum is 42.

The square root of 7139589 is about 2672.0009356286. Note that the first 3 decimals coincide. The cubic root of 7139589 is about 192.5563021909.

The spelling of 7139589 in words is "seven million, one hundred thirty-nine thousand, five hundred eighty-nine".