3728281278134 has 16 divisors (see below), whose sum is σ = 6393192516000. Its totient is φ = 1597371537984.

The previous prime is 3728281278097. The next prime is 3728281278143. The reversal of 3728281278134 is 4318721828273.

It is a happy number.

3728281278134 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 3728281278134.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38557949 + ... + 38654520.

It is an arithmetic number, because the mean of its divisors is an integer number (399574532250).

Almost surely, 2^{3728281278134} is an apocalyptic number.

3728281278134 is a deficient number, since it is larger than the sum of its proper divisors (2664911237866).

3728281278134 is a wasteful number, since it uses less digits than its factorization.

3728281278134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77215927.

The product of its digits is 7225344, while the sum is 56.

The spelling of 3728281278134 in words is "three trillion, seven hundred twenty-eight billion, two hundred eighty-one million, two hundred seventy-eight thousand, one hundred thirty-four".