138356059 has 2 divisors, whose sum is σ = 138356060. Its totient is φ = 138356058.

The previous prime is 138356051. The next prime is 138356077. The reversal of 138356059 is 950653831.

It is a weak prime.

It is an emirp because it is prime and its reverse (950653831) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 138356059 - 2³ = 138356051 is a prime.

It is a super-2 number, since 2×138356059² = 38284798124022962, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (138356051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69178029 + 69178030.

It is an arithmetic number, because the mean of its divisors is an integer number (69178030).

Almost surely, 2^138356059 is an apocalyptic number.

138356059 is a deficient number, since it is larger than the sum of its proper divisors (1).

138356059 is an equidigital number, since it uses as much as digits as its factorization.

138356059 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 97200, while the sum is 40.

The square root of 138356059 is about 11762.4852390981. The cubic root of 138356059 is about 517.2089850952.

The spelling of 138356059 in words is "one hundred thirty-eight million, three hundred fifty-six thousand, fifty-nine".