165136303 has 2 divisors, whose sum is σ = 165136304. Its totient is φ = 165136302.

The previous prime is 165136261. The next prime is 165136319. The reversal of 165136303 is 303631561.

It is a strong prime.

It is an emirp because it is prime and its reverse (303631561) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 165136303 - 2¹³ = 165128111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (165136003) by changing a digit.

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 as a sum of consecutive naturals, namely, 82568151 + 82568152.

It is an arithmetic number, because the mean of its divisors is an integer number (82568152).

Almost surely, 2^165136303 is an apocalyptic number.

165136303 is a deficient number, since it is larger than the sum of its proper divisors (1).

165136303 is an equidigital number, since it uses as much as digits as its factorization.

165136303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4860, while the sum is 28.

The square root of 165136303 is about 12850.5370704885. The cubic root of 165136303 is about 548.6316430866.

Adding to 165136303 its reverse (303631561), we get a palindrome (468767864).

The spelling of 165136303 in words is "one hundred sixty-five million, one hundred thirty-six thousand, three hundred three".