7138113841 has 2 divisors, whose sum is σ = 7138113842. Its totient is φ = 7138113840.

The previous prime is 7138113797. The next prime is 7138113863. The reversal of 7138113841 is 1483118317.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4708018225 + 2430095616 = 68615^2 + 49296^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7138113841 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7138113841.

It is not a weakly prime, because it can be changed into another prime (7138113341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3569056920 + 3569056921.

It is an arithmetic number, because the mean of its divisors is an integer number (3569056921).

Almost surely, 2^7138113841 is an apocalyptic number.

It is an amenable number.

7138113841 is a deficient number, since it is larger than the sum of its proper divisors (1).

7138113841 is an equidigital number, since it uses as much as digits as its factorization.

7138113841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16128, while the sum is 37.

The square root of 7138113841 is about 84487.3590603944. The cubic root of 7138113841 is about 1925.4303948871.

The spelling of 7138113841 in words is "seven billion, one hundred thirty-eight million, one hundred thirteen thousand, eight hundred forty-one".