16135065 has 32 divisors (see below), whose sum is σ = 28978560. Its totient is φ = 8517312.

The previous prime is 16135051. The next prime is 16135103. The reversal of 16135065 is 56053161.

It is a happy number.

It is not a de Polignac number, because 16135065 - 2⁶ = 16135001 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13887 + ... + 15003.

It is an arithmetic number, because the mean of its divisors is an integer number (905580).

Almost surely, 2^16135065 is an apocalyptic number.

16135065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16135065 is a deficient number, since it is larger than the sum of its proper divisors (12843495).

16135065 is a wasteful number, since it uses less digits than its factorization.

16135065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1238 (or 1232 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 16135065 is about 4016.8476446089. The cubic root of 16135065 is about 252.6912709483.

It can be divided in two parts, 161 and 35065, that multiplied together give a palindrome (5645465).

The spelling of 16135065 in words is "sixteen million, one hundred thirty-five thousand, sixty-five".