7139563328 has 14 divisors (see below), whose sum is σ = 14167571106. Its totient is φ = 3569781632.

The previous prime is 7139563313. The next prime is 7139563393. The reversal of 7139563328 is 8233659317.

It can be written as a sum of positive squares in only one way, i.e., 7117959424 + 21603904 = 84368^2 + 4648^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55777775 + ... + 55777902.

Almost surely, 2^7139563328 is an apocalyptic number.

It is an amenable number.

7139563328 is a deficient number, since it is larger than the sum of its proper divisors (7028007778).

7139563328 is a wasteful number, since it uses less digits than its factorization.

7139563328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111555689 (or 111555679 counting only the distinct ones).

The product of its digits is 816480, while the sum is 47.

The square root of 7139563328 is about 84495.9367543789. The cubic root of 7139563328 is about 1925.5607139743.

The spelling of 7139563328 in words is "seven billion, one hundred thirty-nine million, five hundred sixty-three thousand, three hundred twenty-eight".