1138031084 has 6 divisors (see below), whose sum is σ = 1991554404. Its totient is φ = 569015540.

The previous prime is 1138031071. The next prime is 1138031093. The reversal of 1138031084 is 4801308311.

It is a super-2 number, since 2×1138031084² = 2590229496300430112, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142253882 + ... + 142253889.

It is an arithmetic number, because the mean of its divisors is an integer number (331925734).

Almost surely, 2^1138031084 is an apocalyptic number.

It is an amenable number.

1138031084 is a deficient number, since it is larger than the sum of its proper divisors (853523320).

1138031084 is a wasteful number, since it uses less digits than its factorization.

1138031084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284507775 (or 284507773 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 1138031084 is about 33734.7163023494. The cubic root of 1138031084 is about 1044.0421720265.

Adding to 1138031084 its reverse (4801308311), we get a palindrome (5939339395).

The spelling of 1138031084 in words is "one billion, one hundred thirty-eight million, thirty-one thousand, eighty-four".