206422323139 has 16 divisors (see below), whose sum is σ = 210323342880. Its totient is φ = 202564776960.

The previous prime is 206422323109. The next prime is 206422323167. The reversal of 206422323139 is 931323224602.

It is a cyclic number.

It is not a de Polignac number, because 206422323139 - 2⁹ = 206422322627 is a prime.

It is a super-2 number, since 2×206422323139² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 206422323098 and 206422323107.

It is not an unprimeable number, because it can be changed into a prime (206422323109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5486877 + ... + 5524369.

It is an arithmetic number, because the mean of its divisors is an integer number (13145208930).

Almost surely, 2^206422323139 is an apocalyptic number.

206422323139 is a deficient number, since it is larger than the sum of its proper divisors (3901019741).

206422323139 is a wasteful number, since it uses less digits than its factorization.

206422323139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38070.

The product of its (nonzero) digits is 93312, while the sum is 37.

The spelling of 206422323139 in words is "two hundred six billion, four hundred twenty-two million, three hundred twenty-three thousand, one hundred thirty-nine".