206134618 has 8 divisors (see below), whose sum is σ = 309555540. Its totient is φ = 102949440.

The previous prime is 206134559. The next prime is 206134627. The reversal of 206134618 is 816431602.

It is a happy number.

206134618 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 197880489 + 8254129 = 14067^2 + 2873^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 206134618.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56733 + ... + 60256.

Almost surely, 2^206134618 is an apocalyptic number.

206134618 is a deficient number, since it is larger than the sum of its proper divisors (103420922).

206134618 is a wasteful number, since it uses less digits than its factorization.

206134618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117872.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 206134618 is about 14357.3889687506. The cubic root of 206134618 is about 590.7226785548.

The spelling of 206134618 in words is "two hundred six million, one hundred thirty-four thousand, six hundred eighteen".