138728024293367 has 2 divisors, whose sum is σ = 138728024293368. Its totient is φ = 138728024293366.

The previous prime is 138728024293337. The next prime is 138728024293373. The reversal of 138728024293367 is 763392420827831.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 138728024293367 - 2¹⁴ = 138728024276983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (138728024293337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69364012146683 + 69364012146684.

It is an arithmetic number, because the mean of its divisors is an integer number (69364012146684).

Almost surely, 2^{138728024293367} is an apocalyptic number.

138728024293367 is a deficient number, since it is larger than the sum of its proper divisors (1).

138728024293367 is an equidigital number, since it uses as much as digits as its factorization.

138728024293367 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 146313216, while the sum is 65.

The spelling of 138728024293367 in words is "one hundred thirty-eight trillion, seven hundred twenty-eight billion, twenty-four million, two hundred ninety-three thousand, three hundred sixty-seven".