139324245349 has 2 divisors, whose sum is σ = 139324245350. Its totient is φ = 139324245348.

The previous prime is 139324245337. The next prime is 139324245353. The reversal of 139324245349 is 943542423931.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 116919544225 + 22404701124 = 341935^2 + 149682^2 .

It is an emirp because it is prime and its reverse (943542423931) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 139324245349 - 2⁵ = 139324245317 is a prime.

It is a super-2 number, since 2×139324245349² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (139324243349) 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, 69662122674 + 69662122675.

It is an arithmetic number, because the mean of its divisors is an integer number (69662122675).

Almost surely, 2^139324245349 is an apocalyptic number.

It is an amenable number.

139324245349 is a deficient number, since it is larger than the sum of its proper divisors (1).

139324245349 is an equidigital number, since it uses as much as digits as its factorization.

139324245349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2799360, while the sum is 49.

The spelling of 139324245349 in words is "one hundred thirty-nine billion, three hundred twenty-four million, two hundred forty-five thousand, three hundred forty-nine".