139354433520767 has 2 divisors, whose sum is σ = 139354433520768. Its totient is φ = 139354433520766.

The previous prime is 139354433520719. The next prime is 139354433520793. The reversal of 139354433520767 is 767025334453931.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-139354433520767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (139354433720767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69677216760383 + 69677216760384.

It is an arithmetic number, because the mean of its divisors is an integer number (69677216760384).

Almost surely, 2^{139354433520767} is an apocalyptic number.

139354433520767 is a deficient number, since it is larger than the sum of its proper divisors (1).

139354433520767 is an equidigital number, since it uses as much as digits as its factorization.

139354433520767 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 171460800, while the sum is 62.

The spelling of 139354433520767 in words is "one hundred thirty-nine trillion, three hundred fifty-four billion, four hundred thirty-three million, five hundred twenty thousand, seven hundred sixty-seven".