2138080612 has 12 divisors (see below), whose sum is σ = 3742455276. Its totient is φ = 1068807680.

The previous prime is 2138080603. The next prime is 2138080627. The reversal of 2138080612 is 2160808312.

It can be written as a sum of positive squares in 2 ways, for example, as 1439747136 + 698333476 = 37944^2 + 26426^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36589 + ... + 74932.

It is an arithmetic number, because the mean of its divisors is an integer number (311871273).

Almost surely, 2^2138080612 is an apocalyptic number.

It is an amenable number.

2138080612 is a deficient number, since it is larger than the sum of its proper divisors (1604374664).

2138080612 is a wasteful number, since it uses less digits than its factorization.

2138080612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116318 (or 116316 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 2138080612 is about 46239.3837761707. The cubic root of 2138080612 is about 1288.2733568756.

Adding to 2138080612 its reverse (2160808312), we get a palindrome (4298888924).

The spelling of 2138080612 in words is "two billion, one hundred thirty-eight million, eighty thousand, six hundred twelve".