165255135 has 16 divisors (see below), whose sum is σ = 271555296. Its totient is φ = 85753728.

The previous prime is 165255121. The next prime is 165255163. The reversal of 165255135 is 531552561.

It is not a de Polignac number, because 165255135 - 2⁴ = 165255119 is a prime.

It is a super-3 number, since 3×165255135³ (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 165255096 and 165255105.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148324 + ... + 149433.

It is an arithmetic number, because the mean of its divisors is an integer number (16972206).

Almost surely, 2^165255135 is an apocalyptic number.

165255135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

165255135 is a deficient number, since it is larger than the sum of its proper divisors (106300161).

165255135 is a wasteful number, since it uses less digits than its factorization.

165255135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297802.

The product of its digits is 22500, while the sum is 33.

The square root of 165255135 is about 12855.1598589827. The cubic root of 165255135 is about 548.7632098840.

The spelling of 165255135 in words is "one hundred sixty-five million, two hundred fifty-five thousand, one hundred thirty-five".