135154566100165 has 4 divisors (see below), whose sum is σ = 162185479320204. Its totient is φ = 108123652880128.

The previous prime is 135154566100123. The next prime is 135154566100189. The reversal of 135154566100165 is 561001665451531.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 75553680234244 + 59600885865921 = 8692162^2 + 7720161^2 .

It is a cyclic number.

It is not a de Polignac number, because 135154566100165 - 2²³ = 135154557711557 is a prime.

It is a Duffinian number.

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 3 ways as a sum of consecutive naturals, for example, 13515456610012 + ... + 13515456610021.

It is an arithmetic number, because the mean of its divisors is an integer number (40546369830051).

Almost surely, 2^{135154566100165} is an apocalyptic number.

It is an amenable number.

135154566100165 is a deficient number, since it is larger than the sum of its proper divisors (27030913220039).

135154566100165 is an equidigital number, since it uses as much as digits as its factorization.

135154566100165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27030913220038.

The product of its (nonzero) digits is 1620000, while the sum is 49.

The spelling of 135154566100165 in words is "one hundred thirty-five trillion, one hundred fifty-four billion, five hundred sixty-six million, one hundred thousand, one hundred sixty-five".