492135209 has 8 divisors (see below), whose sum is σ = 515160000. Its totient is φ = 469246096.

The previous prime is 492135197. The next prime is 492135239. The reversal of 492135209 is 902531294.

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

It is a cyclic number.

It is not a de Polignac number, because 492135209 - 2⁸ = 492134953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (492135239) 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, 26459 + ... + 41040.

It is an arithmetic number, because the mean of its divisors is an integer number (64395000).

Almost surely, 2^492135209 is an apocalyptic number.

It is an amenable number.

492135209 is a deficient number, since it is larger than the sum of its proper divisors (23024791).

492135209 is a wasteful number, since it uses less digits than its factorization.

492135209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67839.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 492135209 is about 22184.1206496899. The cubic root of 492135209 is about 789.5169877636.

The spelling of 492135209 in words is "four hundred ninety-two million, one hundred thirty-five thousand, two hundred nine".