1139568486 has 64 divisors (see below), whose sum is σ = 2677819392. Its totient is φ = 316547712.

The previous prime is 1139568467. The next prime is 1139568487. The reversal of 1139568486 is 6848659311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1139568487) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 308080 + ... + 311756.

It is an arithmetic number, because the mean of its divisors is an integer number (41840928).

Almost surely, 2^1139568486 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1139568486, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1338909696).

1139568486 is an abundant number, since it is smaller than the sum of its proper divisors (1538250906).

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

1139568486 is a wasteful number, since it uses less digits than its factorization.

1139568486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3893.

The product of its digits is 1244160, while the sum is 51.

The square root of 1139568486 is about 33757.4952566093. The cubic root of 1139568486 is about 1044.5121036154.

The spelling of 1139568486 in words is "one billion, one hundred thirty-nine million, five hundred sixty-eight thousand, four hundred eighty-six".