1139814556 has 6 divisors (see below), whose sum is σ = 1994675480. Its totient is φ = 569907276.

The previous prime is 1139814539. The next prime is 1139814581. The reversal of 1139814556 is 6554189311.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142476816 + ... + 142476823.

Almost surely, 2^1139814556 is an apocalyptic number.

It is an amenable number.

1139814556 is a deficient number, since it is larger than the sum of its proper divisors (854860924).

1139814556 is a wasteful number, since it uses less digits than its factorization.

1139814556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284953643 (or 284953641 counting only the distinct ones).

The product of its digits is 129600, while the sum is 43.

The square root of 1139814556 is about 33761.1397319463. The cubic root of 1139814556 is about 1044.5872796137.

The spelling of 1139814556 in words is "one billion, one hundred thirty-nine million, eight hundred fourteen thousand, five hundred fifty-six".