7138049 has 2 divisors, whose sum is σ = 7138050. Its totient is φ = 7138048.

The previous prime is 7138039. The next prime is 7138069. The reversal of 7138049 is 9408317.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7059649 + 78400 = 2657^2 + 280^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7138049 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (7138009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3569024 + 3569025.

It is an arithmetic number, because the mean of its divisors is an integer number (3569025).

Almost surely, 2^7138049 is an apocalyptic number.

It is an amenable number.

7138049 is a deficient number, since it is larger than the sum of its proper divisors (1).

7138049 is an equidigital number, since it uses as much as digits as its factorization.

7138049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 7138049 is about 2671.7127465355. The cubic root of 7138049 is about 192.5424564812.

The spelling of 7138049 in words is "seven million, one hundred thirty-eight thousand, forty-nine".