206115429 has 16 divisors (see below), whose sum is σ = 313371072. Its totient is φ = 119378688.

The previous prime is 206115421. The next prime is 206115431. The reversal of 206115429 is 924511602.

It is not a de Polignac number, because 206115429 - 2³ = 206115421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 206115396 and 206115405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206115421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154779 + ... + 156104.

It is an arithmetic number, because the mean of its divisors is an integer number (19585692).

Almost surely, 2^206115429 is an apocalyptic number.

It is an amenable number.

206115429 is a deficient number, since it is larger than the sum of its proper divisors (107255643).

206115429 is a wasteful number, since it uses less digits than its factorization.

206115429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310916.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 206115429 is about 14356.7206910213. The cubic root of 206115429 is about 590.7043479297.

The spelling of 206115429 in words is "two hundred six million, one hundred fifteen thousand, four hundred twenty-nine".