1138140404 has 24 divisors (see below), whose sum is σ = 2008419840. Its totient is φ = 564322976.

The previous prime is 1138140403. The next prime is 1138140433. The reversal of 1138140404 is 4040418311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1138140401) 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, 318194 + ... + 321750.

It is an arithmetic number, because the mean of its divisors is an integer number (83684160).

Almost surely, 2^1138140404 is an apocalyptic number.

It is an amenable number.

1138140404 is a deficient number, since it is larger than the sum of its proper divisors (870279436).

1138140404 is a wasteful number, since it uses less digits than its factorization.

1138140404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4207 (or 4205 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 1138140404 is about 33736.3365527438. The cubic root of 1138140404 is about 1044.0756014110.

Adding to 1138140404 its reverse (4040418311), we get a palindrome (5178558715).

The spelling of 1138140404 in words is "one billion, one hundred thirty-eight million, one hundred forty thousand, four hundred four".