165305413139 has 2 divisors, whose sum is σ = 165305413140. Its totient is φ = 165305413138.

The previous prime is 165305413099. The next prime is 165305413183. The reversal of 165305413139 is 931314503561.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-165305413139 is a prime.

It is a super-2 number, since 2×165305413139² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 165305413096 and 165305413105.

It is not a weakly prime, because it can be changed into another prime (165305473139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82652706569 + 82652706570.

It is an arithmetic number, because the mean of its divisors is an integer number (82652706570).

Almost surely, 2^165305413139 is an apocalyptic number.

165305413139 is a deficient number, since it is larger than the sum of its proper divisors (1).

165305413139 is an equidigital number, since it uses as much as digits as its factorization.

165305413139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145800, while the sum is 41.

The spelling of 165305413139 in words is "one hundred sixty-five billion, three hundred five million, four hundred thirteen thousand, one hundred thirty-nine".