206456141 has 4 divisors (see below), whose sum is σ = 207185952. Its totient is φ = 205726332.

The previous prime is 206456113. The next prime is 206456161. The reversal of 206456141 is 141654602.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 206456141 - 2¹⁸ = 206193997 is a prime.

It is a super-2 number, since 2×206456141² = 85248276313223762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206456161) 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 3 ways as a sum of consecutive naturals, for example, 364481 + ... + 365046.

It is an arithmetic number, because the mean of its divisors is an integer number (51796488).

Almost surely, 2^206456141 is an apocalyptic number.

It is an amenable number.

206456141 is a deficient number, since it is larger than the sum of its proper divisors (729811).

206456141 is an equidigital number, since it uses as much as digits as its factorization.

206456141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729810.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 206456141 is about 14368.5817323771. The cubic root of 206456141 is about 591.0296499011.

It can be divided in two parts, 2064561 and 41, that added together give a palindrome (2064602).

The spelling of 206456141 in words is "two hundred six million, four hundred fifty-six thousand, one hundred forty-one".