34156865143 has 4 divisors (see below), whose sum is σ = 34951210888. Its totient is φ = 33362519400.

The previous prime is 34156865131. The next prime is 34156865153.

34156865143 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 34156865143 - 2¹⁷ = 34156734071 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 34156865093 and 34156865102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34156865123) by changing a digit.

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, 397172808 + ... + 397172893.

It is an arithmetic number, because the mean of its divisors is an integer number (8737802722).

Almost surely, 2^34156865143 is an apocalyptic number.

34156865143 is a deficient number, since it is larger than the sum of its proper divisors (794345745).

34156865143 is an equidigital number, since it uses as much as digits as its factorization.

34156865143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 794345744.

The product of its digits is 1036800, while the sum is 46.

The spelling of 34156865143 in words is "thirty-four billion, one hundred fifty-six million, eight hundred sixty-five thousand, one hundred forty-three".