165140336 has 20 divisors (see below), whose sum is σ = 324012000. Its totient is φ = 81524352.

The previous prime is 165140323. The next prime is 165140377. The reversal of 165140336 is 633041561.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 165140299 and 165140308.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64061 + ... + 66588.

It is an arithmetic number, because the mean of its divisors is an integer number (16200600).

Almost surely, 2^165140336 is an apocalyptic number.

165140336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

165140336 is a deficient number, since it is larger than the sum of its proper divisors (158871664).

165140336 is a wasteful number, since it uses less digits than its factorization.

165140336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130736 (or 130730 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 165140336 is about 12850.6939890420. The cubic root of 165140336 is about 548.6361093232.

Adding to 165140336 its reverse (633041561), we get a palindrome (798181897).

The spelling of 165140336 in words is "one hundred sixty-five million, one hundred forty thousand, three hundred thirty-six".