1139475772 has 24 divisors (see below), whose sum is σ = 2113166160. Its totient is φ = 536672640.

The previous prime is 1139475763. The next prime is 1139475793. The reversal of 1139475772 is 2775749311.

It is a congruent number.

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, 115038 + ... + 124549.

It is an arithmetic number, because the mean of its divisors is an integer number (88048590).

Almost surely, 2^1139475772 is an apocalyptic number.

It is an amenable number.

1139475772 is a deficient number, since it is larger than the sum of its proper divisors (973690388).

1139475772 is a wasteful number, since it uses less digits than its factorization.

1139475772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239661 (or 239659 counting only the distinct ones).

The product of its digits is 370440, while the sum is 46.

The square root of 1139475772 is about 33756.1219929067. The cubic root of 1139475772 is about 1044.4837760736.

The spelling of 1139475772 in words is "one billion, one hundred thirty-nine million, four hundred seventy-five thousand, seven hundred seventy-two".