136565165149 has 32 divisors (see below), whose sum is σ = 167337446400. Its totient is φ = 108849121920.

The previous prime is 136565165101. The next prime is 136565165159. The reversal of 136565165149 is 941561565631.

It is not a de Polignac number, because 136565165149 - 2⁷ = 136565165021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 136565165096 and 136565165105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136565165159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2476722 + ... + 2531260.

It is an arithmetic number, because the mean of its divisors is an integer number (5229295200).

Almost surely, 2^136565165149 is an apocalyptic number.

136565165149 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

136565165149 is a deficient number, since it is larger than the sum of its proper divisors (30772281251).

136565165149 is a wasteful number, since it uses less digits than its factorization.

136565165149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54913.

The product of its digits is 2916000, while the sum is 52.

The spelling of 136565165149 in words is "one hundred thirty-six billion, five hundred sixty-five million, one hundred sixty-five thousand, one hundred forty-nine".