165154134025135 has 32 divisors (see below), whose sum is σ = 200437542201600. Its totient is φ = 130627145940480.

The previous prime is 165154134025123. The next prime is 165154134025169. The reversal of 165154134025135 is 531520431451561.

It is not a de Polignac number, because 165154134025135 - 2⁵ = 165154134025103 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 487069786 + ... + 487408744.

It is an arithmetic number, because the mean of its divisors is an integer number (6263673193800).

Almost surely, 2^{165154134025135} is an apocalyptic number.

165154134025135 is a deficient number, since it is larger than the sum of its proper divisors (35283408176465).

165154134025135 is a wasteful number, since it uses less digits than its factorization.

165154134025135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341011.

The product of its (nonzero) digits is 1080000, while the sum is 46.

Adding to 165154134025135 its reverse (531520431451561), we get a palindrome (696674565476696).

The spelling of 165154134025135 in words is "one hundred sixty-five trillion, one hundred fifty-four billion, one hundred thirty-four million, twenty-five thousand, one hundred thirty-five".