34139122165 has 4 divisors (see below), whose sum is σ = 40966946604. Its totient is φ = 27311297728.

The previous prime is 34139122097. The next prime is 34139122181. The reversal of 34139122165 is 56122193143.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56122193143 = 17 ⋅3301305479.

It can be written as a sum of positive squares in 2 ways, for example, as 5253060484 + 28886061681 = 72478^2 + 169959^2 .

It is a cyclic number.

It is not a de Polignac number, because 34139122165 - 2⁷ = 34139122037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3413912212 + ... + 3413912221.

It is an arithmetic number, because the mean of its divisors is an integer number (10241736651).

Almost surely, 2^34139122165 is an apocalyptic number.

It is an amenable number.

34139122165 is a deficient number, since it is larger than the sum of its proper divisors (6827824439).

34139122165 is an equidigital number, since it uses as much as digits as its factorization.

34139122165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6827824438.

The product of its digits is 38880, while the sum is 37.

The spelling of 34139122165 in words is "thirty-four billion, one hundred thirty-nine million, one hundred twenty-two thousand, one hundred sixty-five".