6838131133 has 2 divisors, whose sum is σ = 6838131134. Its totient is φ = 6838131132.

The previous prime is 6838131107. The next prime is 6838131137. The reversal of 6838131133 is 3311318386.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3510918009 + 3327213124 = 59253^2 + 57682^2 .

It is a cyclic number.

It is not a de Polignac number, because 6838131133 - 2⁵ = 6838131101 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6838131092 and 6838131101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6838131137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3419065566 + 3419065567.

It is an arithmetic number, because the mean of its divisors is an integer number (3419065567).

Almost surely, 2^6838131133 is an apocalyptic number.

It is an amenable number.

6838131133 is a deficient number, since it is larger than the sum of its proper divisors (1).

6838131133 is an equidigital number, since it uses as much as digits as its factorization.

6838131133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 37.

The square root of 6838131133 is about 82692.9932521492. The cubic root of 6838131133 is about 1898.0710925465.

The spelling of 6838131133 in words is "six billion, eight hundred thirty-eight million, one hundred thirty-one thousand, one hundred thirty-three".