1139867981316 has 81 divisors (see below), whose sum is σ = 2910262972071. Its totient is φ = 376178662224.

The previous prime is 1139867981309. The next prime is 1139867981363. The reversal of 1139867981316 is 6131897689311.

The square root of 1139867981316 is 1067646.

It is a perfect power (a square), and thus also a powerful number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 685427901 + ... + 685429563.

Almost surely, 2^{1139867981316} is an apocalyptic number.

1139867981316 is the 1067646-th square number.

It is an amenable number.

1139867981316 is an abundant number, since it is smaller than the sum of its proper divisors (1770394990755).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1139867981316 is an equidigital number, since it uses as much as digits as its factorization.

1139867981316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3550 (or 1775 counting only the distinct ones).

The product of its digits is 11757312, while the sum is 63.

The spelling of 1139867981316 in words is "one trillion, one hundred thirty-nine billion, eight hundred sixty-seven million, nine hundred eighty-one thousand, three hundred sixteen".