2139800036 has 24 divisors (see below), whose sum is σ = 4105617600. Its totient is φ = 967744800.

The previous prime is 2139800027. The next prime is 2139800041. The reversal of 2139800036 is 6300089312.

It is a junction number, because it is equal to n+sod(n) for n = 2139799975 and 2139800011.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113435 + ... + 130946.

It is an arithmetic number, because the mean of its divisors is an integer number (171067400).

Almost surely, 2^2139800036 is an apocalyptic number.

It is an amenable number.

2139800036 is a deficient number, since it is larger than the sum of its proper divisors (1965817564).

2139800036 is a wasteful number, since it uses less digits than its factorization.

2139800036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244595 (or 244593 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 2139800036 is about 46257.9726749887. The cubic root of 2139800036 is about 1288.6186033858.

Adding to 2139800036 its reverse (6300089312), we get a palindrome (8439889348).

The spelling of 2139800036 in words is "two billion, one hundred thirty-nine million, eight hundred thousand, thirty-six".