1139558368 has 48 divisors (see below), whose sum is σ = 2521151136. Its totient is φ = 503078400.

The previous prime is 1139558363. The next prime is 1139558369. The reversal of 1139558368 is 8638559311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1139558363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49983 + ... + 69118.

It is an arithmetic number, because the mean of its divisors is an integer number (52523982).

Almost surely, 2^1139558368 is an apocalyptic number.

It is an amenable number.

1139558368 is an abundant number, since it is smaller than the sum of its proper divisors (1381592768).

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

1139558368 is a wasteful number, since it uses less digits than its factorization.

1139558368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119147 (or 119139 counting only the distinct ones).

The product of its digits is 777600, while the sum is 49.

The square root of 1139558368 is about 33757.3453932622. The cubic root of 1139558368 is about 1044.5090122684.

The spelling of 1139558368 in words is "one billion, one hundred thirty-nine million, five hundred fifty-eight thousand, three hundred sixty-eight".