10281139138735 has 4 divisors (see below), whose sum is σ = 12337366966488. Its totient is φ = 8224911310984.

The previous prime is 10281139138717. The next prime is 10281139138741. The reversal of 10281139138735 is 53783193118201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10281139138735 - 2⁹ = 10281139138223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1028113913869 + ... + 1028113913878.

It is an arithmetic number, because the mean of its divisors is an integer number (3084341741622).

Almost surely, 2^{10281139138735} is an apocalyptic number.

10281139138735 is a deficient number, since it is larger than the sum of its proper divisors (2056227827753).

10281139138735 is an equidigital number, since it uses as much as digits as its factorization.

10281139138735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2056227827752.

The product of its (nonzero) digits is 1088640, while the sum is 52.

The spelling of 10281139138735 in words is "ten trillion, two hundred eighty-one billion, one hundred thirty-nine million, one hundred thirty-eight thousand, seven hundred thirty-five".