7138400827748 has 12 divisors (see below), whose sum is σ = 13227036828012. Its totient is φ = 3359247448320.

The previous prime is 7138400827721. The next prime is 7138400827751. The reversal of 7138400827748 is 8477280048317.

It can be written as a sum of positive squares in 2 ways, for example, as 6115244301604 + 1023156526144 = 2472902^2 + 1011512^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52488241313 + ... + 52488241448.

It is an arithmetic number, because the mean of its divisors is an integer number (1102253069001).

Almost surely, 2^{7138400827748} is an apocalyptic number.

It is an amenable number.

7138400827748 is a deficient number, since it is larger than the sum of its proper divisors (6088636000264).

7138400827748 is a wasteful number, since it uses less digits than its factorization.

7138400827748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104976482782 (or 104976482780 counting only the distinct ones).

The product of its (nonzero) digits is 16859136, while the sum is 59.

The spelling of 7138400827748 in words is "seven trillion, one hundred thirty-eight billion, four hundred million, eight hundred twenty-seven thousand, seven hundred forty-eight".