2992081138 has 16 divisors (see below), whose sum is σ = 4551275520. Its totient is φ = 1475134416.

The previous prime is 2992081111. The next prime is 2992081139. The reversal of 2992081138 is 8311802992.

2992081138 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2992081094 and 2992081103.

It is not an unprimeable number, because it can be changed into a prime (2992081139) 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, 5268 + ... + 77536.

It is an arithmetic number, because the mean of its divisors is an integer number (284454720).

Almost surely, 2^2992081138 is an apocalyptic number.

2992081138 is a deficient number, since it is larger than the sum of its proper divisors (1559194382).

2992081138 is a wasteful number, since it uses less digits than its factorization.

2992081138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72561.

The product of its (nonzero) digits is 62208, while the sum is 43.

The square root of 2992081138 is about 54699.9189944556. The cubic root of 2992081138 is about 1440.9794548526.

The spelling of 2992081138 in words is "two billion, nine hundred ninety-two million, eighty-one thousand, one hundred thirty-eight".