1139389776 has 120 divisors (see below), whose sum is σ = 3858663744. Its totient is φ = 306385920.

The previous prime is 1139389763. The next prime is 1139389807. The reversal of 1139389776 is 6779839311.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16110 + ... + 50381.

Almost surely, 2^1139389776 is an apocalyptic number.

1139389776 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1139389776 is an abundant number, since it is smaller than the sum of its proper divisors (2719273968).

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

1139389776 is a wasteful number, since it uses less digits than its factorization.

1139389776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66529 (or 66520 counting only the distinct ones).

The product of its digits is 1714608, while the sum is 54.

The square root of 1139389776 is about 33754.8481851126. The cubic root of 1139389776 is about 1044.4574997547.

The spelling of 1139389776 in words is "one billion, one hundred thirty-nine million, three hundred eighty-nine thousand, seven hundred seventy-six".