128081014738 has 8 divisors (see below), whose sum is σ = 192136820940. Its totient is φ = 64035407760.

The previous prime is 128081014727. The next prime is 128081014757. The reversal of 128081014738 is 837410180821.

It can be written as a sum of positive squares in 2 ways, for example, as 104066243649 + 24014771089 = 322593^2 + 154967^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 128081014694 and 128081014703.

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, 2518333 + ... + 2568688.

Almost surely, 2^128081014738 is an apocalyptic number.

128081014738 is a deficient number, since it is larger than the sum of its proper divisors (64055806202).

128081014738 is a wasteful number, since it uses less digits than its factorization.

128081014738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5099612.

The product of its (nonzero) digits is 86016, while the sum is 43.

The spelling of 128081014738 in words is "one hundred twenty-eight billion, eighty-one million, fourteen thousand, seven hundred thirty-eight".