206114155 has 16 divisors (see below), whose sum is σ = 277945920. Its totient is φ = 145588608.

The previous prime is 206114101. The next prime is 206114159. The reversal of 206114155 is 551411602.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 206114155 - 2¹⁵ = 206081387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (206114159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67440 + ... + 70429.

It is an arithmetic number, because the mean of its divisors is an integer number (17371620).

Almost surely, 2^206114155 is an apocalyptic number.

206114155 is a deficient number, since it is larger than the sum of its proper divisors (71831765).

206114155 is a wasteful number, since it uses less digits than its factorization.

206114155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137910.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 206114155 is about 14356.6763214889. The cubic root of 206114155 is about 590.7031308788.

Adding to 206114155 its reverse (551411602), we get a palindrome (757525757).

The spelling of 206114155 in words is "two hundred six million, one hundred fourteen thousand, one hundred fifty-five".