138058727 has 2 divisors, whose sum is σ = 138058728. Its totient is φ = 138058726.

The previous prime is 138058721. The next prime is 138058757. The reversal of 138058727 is 727850831.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 138058727 - 2⁶ = 138058663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (138058721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69029363 + 69029364.

It is an arithmetic number, because the mean of its divisors is an integer number (69029364).

Almost surely, 2^138058727 is an apocalyptic number.

138058727 is a deficient number, since it is larger than the sum of its proper divisors (1).

138058727 is an equidigital number, since it uses as much as digits as its factorization.

138058727 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 94080, while the sum is 41.

The square root of 138058727 is about 11749.8394457116. The cubic root of 138058727 is about 516.8382193181.

The spelling of 138058727 in words is "one hundred thirty-eight million, fifty-eight thousand, seven hundred twenty-seven".