136188841 has 4 divisors (see below), whose sum is σ = 136242000. Its totient is φ = 136135684.

The previous prime is 136188809. The next prime is 136188847. The reversal of 136188841 is 148881631.

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 136188841 - 2⁵ = 136188809 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 136188794 and 136188803.

It is not an unprimeable number, because it can be changed into a prime (136188847) 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, 22531 + ... + 27928.

It is an arithmetic number, because the mean of its divisors is an integer number (34060500).

Almost surely, 2^136188841 is an apocalyptic number.

It is an amenable number.

136188841 is a deficient number, since it is larger than the sum of its proper divisors (53159).

136188841 is an equidigital number, since it uses as much as digits as its factorization.

136188841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53158.

The product of its digits is 36864, while the sum is 40.

The square root of 136188841 is about 11669.9974721505. The cubic root of 136188841 is about 514.4942293175.

The spelling of 136188841 in words is "one hundred thirty-six million, one hundred eighty-eight thousand, eight hundred forty-one".