139146366643 has 2 divisors, whose sum is σ = 139146366644. Its totient is φ = 139146366642.

The previous prime is 139146366641. The next prime is 139146366649. The reversal of 139146366643 is 346663641931.

It is a weak prime.

It is an emirp because it is prime and its reverse (346663641931) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 139146366643 - 2¹ = 139146366641 is a prime.

It is a super-2 number, since 2×139146366643² (a number of 23 digits) contains 22 as substring.

Together with 139146366641, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (139146366641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69573183321 + 69573183322.

It is an arithmetic number, because the mean of its divisors is an integer number (69573183322).

Almost surely, 2^139146366643 is an apocalyptic number.

139146366643 is a deficient number, since it is larger than the sum of its proper divisors (1).

139146366643 is an equidigital number, since it uses as much as digits as its factorization.

139146366643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5038848, while the sum is 52.

The spelling of 139146366643 in words is "one hundred thirty-nine billion, one hundred forty-six million, three hundred sixty-six thousand, six hundred forty-three".