139453189859 has 2 divisors, whose sum is σ = 139453189860. Its totient is φ = 139453189858.

The previous prime is 139453189823. The next prime is 139453189913. The reversal of 139453189859 is 958981354931.

It is a weak prime.

It is an emirp because it is prime and its reverse (958981354931) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-139453189859 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 139453189795 and 139453189804.

It is not a weakly prime, because it can be changed into another prime (139455189859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69726594929 + 69726594930.

It is an arithmetic number, because the mean of its divisors is an integer number (69726594930).

Almost surely, 2^139453189859 is an apocalyptic number.

139453189859 is a deficient number, since it is larger than the sum of its proper divisors (1).

139453189859 is an equidigital number, since it uses as much as digits as its factorization.

139453189859 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41990400, while the sum is 65.

The spelling of 139453189859 in words is "one hundred thirty-nine billion, four hundred fifty-three million, one hundred eighty-nine thousand, eight hundred fifty-nine".