2590138138 has 24 divisors (see below), whose sum is σ = 4522404852. Its totient is φ = 1109352384.

The previous prime is 2590138129. The next prime is 2590138231. The reversal of 2590138138 is 8318310952.

2590138138 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1729478569 + 860659569 = 41587^2 + 29337^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2590138138.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 164256 + ... + 179332.

Almost surely, 2^2590138138 is an apocalyptic number.

2590138138 is a deficient number, since it is larger than the sum of its proper divisors (1932266714).

2590138138 is a wasteful number, since it uses less digits than its factorization.

2590138138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16846 (or 16839 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 2590138138 is about 50893.3997488869. The cubic root of 2590138138 is about 1373.3281079676.

The spelling of 2590138138 in words is "two billion, five hundred ninety million, one hundred thirty-eight thousand, one hundred thirty-eight".