1139927768 has 24 divisors (see below), whose sum is σ = 2486322900. Its totient is φ = 488540304.

The previous prime is 1139927759. The next prime is 1139927821. The reversal of 1139927768 is 8677299311.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1453598 + ... + 1454381.

Almost surely, 2^1139927768 is an apocalyptic number.

It is an amenable number.

1139927768 is an abundant number, since it is smaller than the sum of its proper divisors (1346395132).

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

1139927768 is a wasteful number, since it uses less digits than its factorization.

1139927768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2907999 (or 2907988 counting only the distinct ones).

The product of its digits is 1143072, while the sum is 53.

The square root of 1139927768 is about 33762.8163517204. The cubic root of 1139927768 is about 1044.6218629879.

The spelling of 1139927768 in words is "one billion, one hundred thirty-nine million, nine hundred twenty-seven thousand, seven hundred sixty-eight".