206140361 has 8 divisors (see below), whose sum is σ = 236108160. Its totient is φ = 176302368.

The previous prime is 206140343. The next prime is 206140397. The reversal of 206140361 is 163041602.

It is a happy number.

206140361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-206140361 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (206140321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29021 + ... + 35418.

It is an arithmetic number, because the mean of its divisors is an integer number (29513520).

Almost surely, 2^206140361 is an apocalyptic number.

It is an amenable number.

206140361 is a deficient number, since it is larger than the sum of its proper divisors (29967799).

206140361 is an equidigital number, since it uses as much as digits as its factorization.

206140361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64903.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 206140361 is about 14357.5889689042. The cubic root of 206140361 is about 590.7281644340.

Adding to 206140361 its reverse (163041602), we get a palindrome (369181963).

The spelling of 206140361 in words is "two hundred six million, one hundred forty thousand, three hundred sixty-one".