16002135 has 24 divisors (see below), whose sum is σ = 28944864. Its totient is φ = 8162880.

The previous prime is 16002109. The next prime is 16002163. The reversal of 16002135 is 53120061.

It is not a de Polignac number, because 16002135 - 2¹⁸ = 15739991 is a prime.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 6696 + ... + 8765.

It is an arithmetic number, because the mean of its divisors is an integer number (1206036).

Almost surely, 2^16002135 is an apocalyptic number.

16002135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16002135 is a deficient number, since it is larger than the sum of its proper divisors (12942729).

16002135 is a wasteful number, since it uses less digits than its factorization.

16002135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15495 (or 15492 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 16002135 is about 4000.2668660978. The cubic root of 16002135 is about 251.9954175282.

Adding to 16002135 its reverse (53120061), we get a palindrome (69122196).

The spelling of 16002135 in words is "sixteen million, two thousand, one hundred thirty-five".