1139871504 has 80 divisors (see below), whose sum is σ = 3067928640. Its totient is φ = 364369920.

The previous prime is 1139871461. The next prime is 1139871511. The reversal of 1139871504 is 4051789311.

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 in 15 ways as a sum of consecutive naturals, for example, 111204 + ... + 121020.

It is an arithmetic number, because the mean of its divisors is an integer number (38349108).

Almost surely, 2^1139871504 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 1139871504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1533964320).

1139871504 is an abundant number, since it is smaller than the sum of its proper divisors (1928057136).

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

1139871504 is a wasteful number, since it uses less digits than its factorization.

1139871504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9928 (or 9922 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 39.

The square root of 1139871504 is about 33761.9831171097. The cubic root of 1139871504 is about 1044.6046760592.

The spelling of 1139871504 in words is "one billion, one hundred thirty-nine million, eight hundred seventy-one thousand, five hundred four".