105139439413 has 2 divisors, whose sum is σ = 105139439414. Its totient is φ = 105139439412.

The previous prime is 105139439401. The next prime is 105139439467. The reversal of 105139439413 is 314934931501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102744609444 + 2394829969 = 320538^2 + 48937^2 .

It is an emirp because it is prime and its reverse (314934931501) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105139439413 is a prime.

It is a super-2 number, since 2×105139439413² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105139439413.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105139439473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52569719706 + 52569719707.

It is an arithmetic number, because the mean of its divisors is an integer number (52569719707).

Almost surely, 2^105139439413 is an apocalyptic number.

It is an amenable number.

105139439413 is a deficient number, since it is larger than the sum of its proper divisors (1).

105139439413 is an equidigital number, since it uses as much as digits as its factorization.

105139439413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 174960, while the sum is 43.

The spelling of 105139439413 in words is "one hundred five billion, one hundred thirty-nine million, four hundred thirty-nine thousand, four hundred thirteen".