136155765 has 16 divisors (see below), whose sum is σ = 218230848. Its totient is φ = 72489216.

The previous prime is 136155763. The next prime is 136155779. The reversal of 136155765 is 567551631.

It is not a de Polignac number, because 136155765 - 2¹ = 136155763 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136155763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1242 + ... + 16548.

It is an arithmetic number, because the mean of its divisors is an integer number (13639428).

Almost surely, 2^136155765 is an apocalyptic number.

136155765 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

136155765 is a deficient number, since it is larger than the sum of its proper divisors (82075083).

136155765 is a wasteful number, since it uses less digits than its factorization.

136155765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15908.

The product of its digits is 94500, while the sum is 39.

The square root of 136155765 is about 11668.5802478279. The cubic root of 136155765 is about 514.4525744388.

The spelling of 136155765 in words is "one hundred thirty-six million, one hundred fifty-five thousand, seven hundred sixty-five".