136527081 has 4 divisors (see below), whose sum is σ = 182036112. Its totient is φ = 91018052.

The previous prime is 136527073. The next prime is 136527101. The reversal of 136527081 is 180725631.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 136527081 - 2³ = 136527073 is a prime.

It is a super-2 number, since 2×136527081² = 37279287692761122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (136527031) 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 3 ways as a sum of consecutive naturals, for example, 22754511 + ... + 22754516.

It is an arithmetic number, because the mean of its divisors is an integer number (45509028).

Almost surely, 2^136527081 is an apocalyptic number.

It is an amenable number.

136527081 is a deficient number, since it is larger than the sum of its proper divisors (45509031).

136527081 is an equidigital number, since it uses as much as digits as its factorization.

136527081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45509030.

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 136527081 is about 11684.4803478803. The cubic root of 136527081 is about 514.9198115636.

The spelling of 136527081 in words is "one hundred thirty-six million, five hundred twenty-seven thousand, eighty-one".