138383390740547 has 2 divisors, whose sum is σ = 138383390740548. Its totient is φ = 138383390740546.

The previous prime is 138383390740531. The next prime is 138383390740619. The reversal of 138383390740547 is 745047093383831.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 138383390740547 - 2⁴ = 138383390740531 is a prime.

It is not a weakly prime, because it can be changed into another prime (138383390745547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69191695370273 + 69191695370274.

It is an arithmetic number, because the mean of its divisors is an integer number (69191695370274).

Almost surely, 2^{138383390740547} is an apocalyptic number.

138383390740547 is a deficient number, since it is larger than the sum of its proper divisors (1).

138383390740547 is an equidigital number, since it uses as much as digits as its factorization.

138383390740547 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 182891520, while the sum is 65.

The spelling of 138383390740547 in words is "one hundred thirty-eight trillion, three hundred eighty-three billion, three hundred ninety million, seven hundred forty thousand, five hundred forty-seven".