139578374743 has 2 divisors, whose sum is σ = 139578374744. Its totient is φ = 139578374742.

The previous prime is 139578374737. The next prime is 139578374899. The reversal of 139578374743 is 347473875931.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 139578374743 - 2¹⁷ = 139578243671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (139578374443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69789187371 + 69789187372.

It is an arithmetic number, because the mean of its divisors is an integer number (69789187372).

Almost surely, 2^139578374743 is an apocalyptic number.

139578374743 is a deficient number, since it is larger than the sum of its proper divisors (1).

139578374743 is an equidigital number, since it uses as much as digits as its factorization.

139578374743 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 53343360, while the sum is 61.

The spelling of 139578374743 in words is "one hundred thirty-nine billion, five hundred seventy-eight million, three hundred seventy-four thousand, seven hundred forty-three".