81364235674114 has 8 divisors (see below), whose sum is σ = 129225550776588. Its totient is φ = 38289052081920.

The previous prime is 81364235673937. The next prime is 81364235674157. The reversal of 81364235674114 is 41147653246318.

It can be written as a sum of positive squares in 2 ways, for example, as 64478571321025 + 16885664353089 = 8029855^2 + 4109217^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 1196532877527 + ... + 1196532877594.

Almost surely, 2^{81364235674114} is an apocalyptic number.

81364235674114 is a deficient number, since it is larger than the sum of its proper divisors (47861315102474).

81364235674114 is a wasteful number, since it uses less digits than its factorization.

81364235674114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2393065755140.

The product of its digits is 11612160, while the sum is 55.

The spelling of 81364235674114 in words is "eighty-one trillion, three hundred sixty-four billion, two hundred thirty-five million, six hundred seventy-four thousand, one hundred fourteen".