136523271 has 16 divisors (see below), whose sum is σ = 188609760. Its totient is φ = 87736320.

The previous prime is 136523201. The next prime is 136523281. The reversal of 136523271 is 172325631.

It is not a de Polignac number, because 136523271 - 2⁹ = 136522759 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136523201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99631 + ... + 100991.

It is an arithmetic number, because the mean of its divisors is an integer number (11788110).

Almost surely, 2^136523271 is an apocalyptic number.

136523271 is a deficient number, since it is larger than the sum of its proper divisors (52086489).

136523271 is a wasteful number, since it uses less digits than its factorization.

136523271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2546.

The product of its digits is 7560, while the sum is 30.

The square root of 136523271 is about 11684.3173099672. The cubic root of 136523271 is about 514.9150216403.

The spelling of 136523271 in words is "one hundred thirty-six million, five hundred twenty-three thousand, two hundred seventy-one".