136847641 has 6 divisors (see below), whose sum is σ = 159190170. Its totient is φ = 117297936.

The previous prime is 136847621. The next prime is 136847651. The reversal of 136847641 is 146748631.

It can be written as a sum of positive squares in only one way, i.e., 70913241 + 65934400 = 8421^2 + 8120^2 .

It is not a de Polignac number, because 136847641 - 2⁹ = 136847129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 136847594 and 136847603.

It is not an unprimeable number, because it can be changed into a prime (136847621) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1396356 + ... + 1396453.

It is an arithmetic number, because the mean of its divisors is an integer number (26531695).

Almost surely, 2^136847641 is an apocalyptic number.

It is an amenable number.

136847641 is a deficient number, since it is larger than the sum of its proper divisors (22342529).

136847641 is an equidigital number, since it uses as much as digits as its factorization.

136847641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2792823 (or 2792816 counting only the distinct ones).

The product of its digits is 96768, while the sum is 40.

The square root of 136847641 is about 11698.1896462658. The cubic root of 136847641 is about 515.3225001121.

The spelling of 136847641 in words is "one hundred thirty-six million, eight hundred forty-seven thousand, six hundred forty-one".