1138130184 has 16 divisors (see below), whose sum is σ = 2845325520. Its totient is φ = 379376720.

The previous prime is 1138130173. The next prime is 1138130219. The reversal of 1138130184 is 4810318311.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23711022 + ... + 23711069.

It is an arithmetic number, because the mean of its divisors is an integer number (177832845).

Almost surely, 2^1138130184 is an apocalyptic number.

It is an amenable number.

1138130184 is an abundant number, since it is smaller than the sum of its proper divisors (1707195336).

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

1138130184 is a wasteful number, since it uses less digits than its factorization.

1138130184 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47422100 (or 47422096 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 1138130184 is about 33736.1850836754. The cubic root of 1138130184 is about 1044.0724762885.

Adding to 1138130184 its reverse (4810318311), we get a palindrome (5948448495).

The spelling of 1138130184 in words is "one billion, one hundred thirty-eight million, one hundred thirty thousand, one hundred eighty-four".