16135009 has 8 divisors (see below), whose sum is σ = 18528480. Its totient is φ = 13896000.

The previous prime is 16135003. The next prime is 16135027. The reversal of 16135009 is 90053161.

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 16135009 - 2³ = 16135001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16135001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38392 + ... + 38809.

It is an arithmetic number, because the mean of its divisors is an integer number (2316060).

Almost surely, 2^16135009 is an apocalyptic number.

16135009 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

16135009 is a deficient number, since it is larger than the sum of its proper divisors (2393471).

16135009 is a wasteful number, since it uses less digits than its factorization.

16135009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77231.

The product of its (nonzero) digits is 810, while the sum is 25.

The square root of 16135009 is about 4016.8406739626. The cubic root of 16135009 is about 252.6909786092.

The spelling of 16135009 in words is "sixteen million, one hundred thirty-five thousand, nine".