139343882968819 has 2 divisors, whose sum is σ = 139343882968820. Its totient is φ = 139343882968818.

The previous prime is 139343882968783. The next prime is 139343882968841. The reversal of 139343882968819 is 918869288343931.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 139343882968819 - 2¹⁵ = 139343882936051 is a prime.

It is a super-2 number, since 2×139343882968819² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (139343882968859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69671941484409 + 69671941484410.

It is an arithmetic number, because the mean of its divisors is an integer number (69671941484410).

Almost surely, 2^{139343882968819} is an apocalyptic number.

139343882968819 is a deficient number, since it is larger than the sum of its proper divisors (1).

139343882968819 is an equidigital number, since it uses as much as digits as its factorization.

139343882968819 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3869835264, while the sum is 82.

The spelling of 139343882968819 in words is "one hundred thirty-nine trillion, three hundred forty-three billion, eight hundred eighty-two million, nine hundred sixty-eight thousand, eight hundred nineteen".