206132479 has 4 divisors (see below), whose sum is σ = 235579984. Its totient is φ = 176684976.

The previous prime is 206132471. The next prime is 206132483. The reversal of 206132479 is 974231602.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 206132479 - 2³ = 206132471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206132471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14723742 + ... + 14723755.

It is an arithmetic number, because the mean of its divisors is an integer number (58894996).

Almost surely, 2^206132479 is an apocalyptic number.

206132479 is a deficient number, since it is larger than the sum of its proper divisors (29447505).

206132479 is an equidigital number, since it uses as much as digits as its factorization.

206132479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29447504.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 206132479 is about 14357.3144772969. The cubic root of 206132479 is about 590.7206352943.

The spelling of 206132479 in words is "two hundred six million, one hundred thirty-two thousand, four hundred seventy-nine".