206126939229 has 8 divisors (see below), whose sum is σ = 274838537952. Its totient is φ = 137416650000.

The previous prime is 206126939219. The next prime is 206126939261. The reversal of 206126939229 is 922939621602.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 206126939229 - 2⁷ = 206126939101 is a prime.

It is a super-2 number, since 2×206126939229² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206126939219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132007 + ... + 655499.

It is an arithmetic number, because the mean of its divisors is an integer number (34354817244).

Almost surely, 2^206126939229 is an apocalyptic number.

It is an amenable number.

206126939229 is a deficient number, since it is larger than the sum of its proper divisors (68711598723).

206126939229 is a wasteful number, since it uses less digits than its factorization.

206126939229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654747.

The product of its (nonzero) digits is 1259712, while the sum is 51.

The spelling of 206126939229 in words is "two hundred six billion, one hundred twenty-six million, nine hundred thirty-nine thousand, two hundred twenty-nine".