136087841 has 4 divisors (see below), whose sum is σ = 137952132. Its totient is φ = 134223552.

The previous prime is 136087817. The next prime is 136087867. The reversal of 136087841 is 148780631.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 115111441 + 20976400 = 10729^2 + 4580^2 .

It is a cyclic number.

It is not a de Polignac number, because 136087841 - 2¹⁴ = 136071457 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 136087795 and 136087804.

It is not an unprimeable number, because it can be changed into a prime (136087801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 932036 + ... + 932181.

It is an arithmetic number, because the mean of its divisors is an integer number (34488033).

Almost surely, 2^136087841 is an apocalyptic number.

It is an amenable number.

136087841 is a deficient number, since it is larger than the sum of its proper divisors (1864291).

136087841 is an equidigital number, since it uses as much as digits as its factorization.

136087841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1864290.

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 136087841 is about 11665.6693335616. The cubic root of 136087841 is about 514.3670119238.

The spelling of 136087841 in words is "one hundred thirty-six million, eighty-seven thousand, eight hundred forty-one".