169209313 has 16 divisors (see below), whose sum is σ = 220510080. Its totient is φ = 126003456.

The previous prime is 169209301. The next prime is 169209329. The reversal of 169209313 is 313902961.

It is not a de Polignac number, because 169209313 - 2⁵ = 169209281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (169204313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53143 + ... + 56236.

It is an arithmetic number, because the mean of its divisors is an integer number (13781880).

Almost surely, 2^169209313 is an apocalyptic number.

169209313 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

169209313 is a deficient number, since it is larger than the sum of its proper divisors (51300767).

169209313 is a wasteful number, since it uses less digits than its factorization.

169209313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109416.

The product of its (nonzero) digits is 8748, while the sum is 34.

The square root of 169209313 is about 13008.0480088290. The cubic root of 169209313 is about 553.1056405409.

The spelling of 169209313 in words is "one hundred sixty-nine million, two hundred nine thousand, three hundred thirteen".