1138871726738 has 16 divisors (see below), whose sum is σ = 1809134590464. Its totient is φ = 535839393600.

The previous prime is 1138871726689. The next prime is 1138871726771. The reversal of 1138871726738 is 8376271788311.

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, 2947970 + ... + 3311837.

It is an arithmetic number, because the mean of its divisors is an integer number (113070911904).

Almost surely, 2^{1138871726738} is an apocalyptic number.

1138871726738 is a deficient number, since it is larger than the sum of its proper divisors (670262863726).

1138871726738 is a wasteful number, since it uses less digits than its factorization.

1138871726738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6265177.

The product of its digits is 18966528, while the sum is 62.

The spelling of 1138871726738 in words is "one trillion, one hundred thirty-eight billion, eight hundred seventy-one million, seven hundred twenty-six thousand, seven hundred thirty-eight".