7138144628506 has 16 divisors (see below), whose sum is σ = 10763447224320. Its totient is φ = 3550329483120.

The previous prime is 7138144628473. The next prime is 7138144628513. The reversal of 7138144628506 is 6058264418317.

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, 34214500 + ... + 34422496.

It is an arithmetic number, because the mean of its divisors is an integer number (672715451520).

Almost surely, 2^{7138144628506} is an apocalyptic number.

7138144628506 is a deficient number, since it is larger than the sum of its proper divisors (3625302595814).

7138144628506 is a wasteful number, since it uses less digits than its factorization.

7138144628506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298029.

The product of its (nonzero) digits is 7741440, while the sum is 55.

The spelling of 7138144628506 in words is "seven trillion, one hundred thirty-eight billion, one hundred forty-four million, six hundred twenty-eight thousand, five hundred six".