8138103777459 has 16 divisors (see below), whose sum is σ = 12057274548000. Its totient is φ = 5425031490048.

The previous prime is 8138103777457. The next prime is 8138103777497. The reversal of 8138103777459 is 9547773018318.

8138103777459 is a `hidden beast` number, since 8 + 1 + 3 + 8 + 103 + 7 + 77 + 459 = 666.

It is not a de Polignac number, because 8138103777459 - 2¹ = 8138103777457 is a prime.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 8138103777396 and 8138103777405.

It is not an unprimeable number, because it can be changed into a prime (8138103777457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9903934 + ... + 10694115.

It is an arithmetic number, because the mean of its divisors is an integer number (753579659250).

Almost surely, 2^{8138103777459} is an apocalyptic number.

8138103777459 is a deficient number, since it is larger than the sum of its proper divisors (3919170770541).

8138103777459 is a wasteful number, since it uses less digits than its factorization.

8138103777459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20612691 (or 20612685 counting only the distinct ones).

The product of its (nonzero) digits is 35562240, while the sum is 63.

The spelling of 8138103777459 in words is "eight trillion, one hundred thirty-eight billion, one hundred three million, seven hundred seventy-seven thousand, four hundred fifty-nine".