1139260416 has 176 divisors, whose sum is σ = 3584378880. Its totient is φ = 314818560.

The previous prime is 1139260379. The next prime is 1139260417. The reversal of 1139260416 is 6140629311.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1139260417) 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, 665770 + ... + 667478.

Almost surely, 2^1139260416 is an apocalyptic number.

1139260416 is a gapful number since it is divisible by the number (16) 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 1139260416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1792189440).

1139260416 is an abundant number, since it is smaller than the sum of its proper divisors (2445118464).

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

1139260416 is a wasteful number, since it uses less digits than its factorization.

1139260416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1770 (or 1752 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 1139260416 is about 33752.9319615348. The cubic root of 1139260416 is about 1044.4179709535.

Adding to 1139260416 its reverse (6140629311), we get a palindrome (7279889727).

The spelling of 1139260416 in words is "one billion, one hundred thirty-nine million, two hundred sixty thousand, four hundred sixteen".