138670650819059 has 2 divisors, whose sum is σ = 138670650819060. Its totient is φ = 138670650819058.

The previous prime is 138670650819013. The next prime is 138670650819209. The reversal of 138670650819059 is 950918056076831.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 138670650819059 - 2²⁴ = 138670634041843 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 138670650819059.

It is not a weakly prime, because it can be changed into another prime (138670650810059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69335325409529 + 69335325409530.

It is an arithmetic number, because the mean of its divisors is an integer number (69335325409530).

Almost surely, 2^{138670650819059} is an apocalyptic number.

138670650819059 is a deficient number, since it is larger than the sum of its proper divisors (1).

138670650819059 is an equidigital number, since it uses as much as digits as its factorization.

138670650819059 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 97977600, while the sum is 68.

The spelling of 138670650819059 in words is "one hundred thirty-eight trillion, six hundred seventy billion, six hundred fifty million, eight hundred nineteen thousand, fifty-nine".