8138108405703 has 32 divisors (see below), whose sum is σ = 12095781580800. Its totient is φ = 4836714080256.

The previous prime is 8138108405689. The next prime is 8138108405729. The reversal of 8138108405703 is 3075048018318.

It is a happy number.

It is not a de Polignac number, because 8138108405703 - 2¹² = 8138108401607 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8138108405743) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5199775 + ... + 6581327.

It is an arithmetic number, because the mean of its divisors is an integer number (377993174400).

Almost surely, 2^{8138108405703} is an apocalyptic number.

8138108405703 is a deficient number, since it is larger than the sum of its proper divisors (3957673175097).

8138108405703 is a wasteful number, since it uses less digits than its factorization.

8138108405703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1387671.

The product of its (nonzero) digits is 645120, while the sum is 48.

The spelling of 8138108405703 in words is "eight trillion, one hundred thirty-eight billion, one hundred eight million, four hundred five thousand, seven hundred three".