138058049 has 2 divisors, whose sum is σ = 138058050. Its totient is φ = 138058048.

The previous prime is 138058043. The next prime is 138058073. The reversal of 138058049 is 940850831.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 137898049 + 160000 = 11743^2 + 400^2 .

It is a cyclic number.

It is not a de Polignac number, because 138058049 - 2²⁴ = 121280833 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (138058043) 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, 69029024 + 69029025.

It is an arithmetic number, because the mean of its divisors is an integer number (69029025).

Almost surely, 2^138058049 is an apocalyptic number.

It is an amenable number.

138058049 is a deficient number, since it is larger than the sum of its proper divisors (1).

138058049 is an equidigital number, since it uses as much as digits as its factorization.

138058049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 138058049 is about 11749.8105942181. The cubic root of 138058049 is about 516.8373732605.

The spelling of 138058049 in words is "one hundred thirty-eight million, fifty-eight thousand, forty-nine".