136066231 has 16 divisors (see below), whose sum is σ = 161259840. Its totient is φ = 112465248.

The previous prime is 136066187. The next prime is 136066241. The reversal of 136066231 is 132660631.

It is not a de Polignac number, because 136066231 - 2⁷ = 136066103 is a prime.

It is a super-2 number, since 2×136066231² = 37028038437090722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 136066231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136066241) 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, 170325 + ... + 171121.

It is an arithmetic number, because the mean of its divisors is an integer number (10078740).

Almost surely, 2^136066231 is an apocalyptic number.

136066231 is a deficient number, since it is larger than the sum of its proper divisors (25193609).

136066231 is an frugal number, since it uses more digits than its factorization.

136066231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 891 (or 833 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 136066231 is about 11664.7430747531. The cubic root of 136066231 is about 514.3397842659.

The spelling of 136066231 in words is "one hundred thirty-six million, sixty-six thousand, two hundred thirty-one".