1139647104 has 256 divisors, whose sum is σ = 3547152000. Its totient is φ = 359718912.

The previous prime is 1139647097. The next prime is 1139647109. The reversal of 1139647104 is 4017469311.

1139647104 is a `hidden beast` number, since 1 + 1 + 3 + 9 + 647 + 1 + 0 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1139647109) by changing a digit.

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 in 31 ways as a sum of consecutive naturals, for example, 8318524 + ... + 8318660.

Almost surely, 2^1139647104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1139647104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1773576000).

1139647104 is an abundant number, since it is smaller than the sum of its proper divisors (2407504896).

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

1139647104 is a wasteful number, since it uses less digits than its factorization.

1139647104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272 (or 254 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 1139647104 is about 33758.6596890339. The cubic root of 1139647104 is about 1044.5361231061.

The spelling of 1139647104 in words is "one billion, one hundred thirty-nine million, six hundred forty-seven thousand, one hundred four".