7139000345 has 4 divisors (see below), whose sum is σ = 8566800420. Its totient is φ = 5711200272.

The previous prime is 7139000317. The next prime is 7139000357. The reversal of 7139000345 is 5430009317.

It is a happy number.

7139000345 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5430009317 = 83 ⋅65421799.

It can be written as a sum of positive squares in 2 ways, for example, as 1973847184 + 5165153161 = 44428^2 + 71869^2 .

It is a cyclic number.

It is not a de Polignac number, because 7139000345 - 2²⁸ = 6870564889 is a prime.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 713900030 + ... + 713900039.

It is an arithmetic number, because the mean of its divisors is an integer number (2141700105).

Almost surely, 2^7139000345 is an apocalyptic number.

It is an amenable number.

7139000345 is a deficient number, since it is larger than the sum of its proper divisors (1427800075).

7139000345 is a wasteful number, since it uses less digits than its factorization.

7139000345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1427800074.

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 7139000345 is about 84492.6052681535. The cubic root of 7139000345 is about 1925.5100999338.

The spelling of 7139000345 in words is "seven billion, one hundred thirty-nine million, three hundred forty-five", and thus it is an aban number.