1609134 has 8 divisors (see below), whose sum is σ = 3218280. Its totient is φ = 536376.

The previous prime is 1609109. The next prime is 1609141. The reversal of 1609134 is 4319061.

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

1609134 is an admirable number.

It is a plaindrome in base 13.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134089 + ... + 134100.

It is an arithmetic number, because the mean of its divisors is an integer number (402285).

2^1609134 is an apocalyptic number.

1609134 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1609134 is a wasteful number, since it uses less digits than its factorization.

1609134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268194.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 1609134 is about 1268.5164563379. The cubic root of 1609134 is about 117.1828538247.

The spelling of 1609134 in words is "one million, six hundred nine thousand, one hundred thirty-four".