206436141 has 8 divisors (see below), whose sum is σ = 305831360. Its totient is φ = 137624076.

The previous prime is 206436137. The next prime is 206436143. The reversal of 206436141 is 141634602.

206436141 is a `hidden beast` number, since 2 + 0 + 6 + 43 + 614 + 1 = 666.

It is not a de Polignac number, because 206436141 - 2² = 206436137 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 7645783 = 206436141 / (2 + 0 + 6 + 4 + 3 + 6 + 1 + 4 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206436143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3822865 + ... + 3822918.

It is an arithmetic number, because the mean of its divisors is an integer number (38228920).

Almost surely, 2^206436141 is an apocalyptic number.

It is an amenable number.

206436141 is a deficient number, since it is larger than the sum of its proper divisors (99395219).

206436141 is an equidigital number, since it uses as much as digits as its factorization.

206436141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7645792 (or 7645786 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 206436141 is about 14367.8857526081. The cubic root of 206436141 is about 591.0105643709.

The spelling of 206436141 in words is "two hundred six million, four hundred thirty-six thousand, one hundred forty-one".