6822138137 has 4 divisors (see below), whose sum is σ = 6892469556. Its totient is φ = 6751806720.

The previous prime is 6822138109. The next prime is 6822138139. The reversal of 6822138137 is 7318312286.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4047377161 + 2774760976 = 63619^2 + 52676^2 .

It is a cyclic number.

It is not a de Polignac number, because 6822138137 - 2²⁶ = 6755029273 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6822138094 and 6822138103.

It is not an unprimeable number, because it can be changed into a prime (6822138139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35165564 + ... + 35165757.

It is an arithmetic number, because the mean of its divisors is an integer number (1723117389).

Almost surely, 2^6822138137 is an apocalyptic number.

It is an amenable number.

6822138137 is a deficient number, since it is larger than the sum of its proper divisors (70331419).

6822138137 is an equidigital number, since it uses as much as digits as its factorization.

6822138137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70331418.

The product of its digits is 96768, while the sum is 41.

The square root of 6822138137 is about 82596.2356103473. The cubic root of 6822138137 is about 1896.5902035445.

The spelling of 6822138137 in words is "six billion, eight hundred twenty-two million, one hundred thirty-eight thousand, one hundred thirty-seven".