136155241 has 4 divisors (see below), whose sum is σ = 136376532. Its totient is φ = 135933952.

The previous prime is 136155223. The next prime is 136155247. The reversal of 136155241 is 142551631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 142551631 = 23 ⋅6197897.

It can be written as a sum of positive squares in 2 ways, for example, as 8555625 + 127599616 = 2925^2 + 11296^2 .

It is a cyclic number.

It is not a de Polignac number, because 136155241 - 2⁷ = 136155113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136155247) 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 3 ways as a sum of consecutive naturals, for example, 109720 + ... + 110953.

It is an arithmetic number, because the mean of its divisors is an integer number (34094133).

Almost surely, 2^136155241 is an apocalyptic number.

It is an amenable number.

136155241 is a deficient number, since it is larger than the sum of its proper divisors (221291).

136155241 is an equidigital number, since it uses as much as digits as its factorization.

136155241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221290.

The product of its digits is 3600, while the sum is 28.

The square root of 136155241 is about 11668.5577943463. The cubic root of 136155241 is about 514.4519144753.

The spelling of 136155241 in words is "one hundred thirty-six million, one hundred fifty-five thousand, two hundred forty-one".