1839140004 has 24 divisors (see below), whose sum is σ = 4621429120. Its totient is φ = 565889184.

The previous prime is 1839140003. The next prime is 1839140011. The reversal of 1839140004 is 4000419381.

It is a happy number.

1839140004 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (1839140003) 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, 5894524 + ... + 5894835.

Almost surely, 2^1839140004 is an apocalyptic number.

It is an amenable number.

1839140004 is an abundant number, since it is smaller than the sum of its proper divisors (2782289116).

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

1839140004 is a wasteful number, since it uses less digits than its factorization.

1839140004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11789379 (or 11789377 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 1839140004 is about 42885.1956273957. The cubic root of 1839140004 is about 1225.1941947305.

Adding to 1839140004 its reverse (4000419381), we get a palindrome (5839559385).

The spelling of 1839140004 in words is "one billion, eight hundred thirty-nine million, one hundred forty thousand, four".