138647744783 has 2 divisors, whose sum is σ = 138647744784. Its totient is φ = 138647744782.

The previous prime is 138647744759. The next prime is 138647744797. The reversal of 138647744783 is 387447746831.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 138647744783 - 2¹⁴ = 138647728399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (138647744723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69323872391 + 69323872392.

It is an arithmetic number, because the mean of its divisors is an integer number (69323872392).

Almost surely, 2^138647744783 is an apocalyptic number.

138647744783 is a deficient number, since it is larger than the sum of its proper divisors (1).

138647744783 is an equidigital number, since it uses as much as digits as its factorization.

138647744783 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 75866112, while the sum is 62.

The spelling of 138647744783 in words is "one hundred thirty-eight billion, six hundred forty-seven million, seven hundred forty-four thousand, seven hundred eighty-three".