7138144616528 has 40 divisors (see below), whose sum is σ = 14174461187880. Its totient is φ = 3480304988160.

The previous prime is 7138144616467. The next prime is 7138144616557. The reversal of 7138144616528 is 8256164418317.

It can be written as a sum of positive squares in 4 ways, for example, as 35130754624 + 7103013861904 = 187432^2 + 2665148^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1350425 + ... + 4012472.

It is an arithmetic number, because the mean of its divisors is an integer number (354361529697).

Almost surely, 2^{7138144616528} is an apocalyptic number.

It is an amenable number.

7138144616528 is a deficient number, since it is larger than the sum of its proper divisors (7036316571352).

7138144616528 is a wasteful number, since it uses less digits than its factorization.

7138144616528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5364975 (or 5364969 counting only the distinct ones).

The product of its digits is 7741440, while the sum is 56.

The spelling of 7138144616528 in words is "seven trillion, one hundred thirty-eight billion, one hundred forty-four million, six hundred sixteen thousand, five hundred twenty-eight".