205739214 has 16 divisors (see below), whose sum is σ = 418224720. Its totient is φ = 67455360.

The previous prime is 205739207. The next prime is 205739221. The reversal of 205739214 is 412937502.

It is an interprime number because it is at equal distance from previous prime (205739207) and next prime (205739221).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 280699 + ... + 281430.

It is an arithmetic number, because the mean of its divisors is an integer number (26139045).

Almost surely, 2^205739214 is an apocalyptic number.

205739214 is an abundant number, since it is smaller than the sum of its proper divisors (212485506).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

205739214 is a wasteful number, since it uses less digits than its factorization.

205739214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562195.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 205739214 is about 14343.6123065286. The cubic root of 205739214 is about 590.3447319850.

It can be divided in two parts, 2057392 and 14, that added together give a triangular number (2057406 = T₂₀₂₈).

The spelling of 205739214 in words is "two hundred five million, seven hundred thirty-nine thousand, two hundred fourteen".