1139260032 has 128 divisors (see below), whose sum is σ = 3560371200. Its totient is φ = 357396480.

The previous prime is 1139260009. The next prime is 1139260037. The reversal of 1139260032 is 2300629311.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1139259978 and 1139260005.

It is not an unprimeable number, because it can be changed into a prime (1139260037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49057 + ... + 68447.

It is an arithmetic number, because the mean of its divisors is an integer number (27815400).

Almost surely, 2^1139260032 is an apocalyptic number.

1139260032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1139260032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1780185600).

1139260032 is an abundant number, since it is smaller than the sum of its proper divisors (2421111168).

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

1139260032 is a wasteful number, since it uses less digits than its factorization.

1139260032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19431 (or 19413 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 1139260032 is about 33752.9262731396. The cubic root of 1139260032 is about 1044.4178536094.

Adding to 1139260032 its reverse (2300629311), we get a palindrome (3439889343).

The spelling of 1139260032 in words is "one billion, one hundred thirty-nine million, two hundred sixty thousand, thirty-two".