165136115 has 8 divisors (see below), whose sum is σ = 199380048. Its totient is φ = 131297760.

The previous prime is 165136109. The next prime is 165136123. The reversal of 165136115 is 511631561.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 165136115 - 2¹⁸ = 164873971 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100496 + ... + 102125.

It is an arithmetic number, because the mean of its divisors is an integer number (24922506).

Almost surely, 2^165136115 is an apocalyptic number.

165136115 is a deficient number, since it is larger than the sum of its proper divisors (34243933).

165136115 is a wasteful number, since it uses less digits than its factorization.

165136115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202789.

The product of its digits is 2700, while the sum is 29.

The square root of 165136115 is about 12850.5297556171. The cubic root of 165136115 is about 548.6314348893.

Adding to 165136115 its reverse (511631561), we get a palindrome (676767676).

The spelling of 165136115 in words is "one hundred sixty-five million, one hundred thirty-six thousand, one hundred fifteen".