136533641 has 8 divisors (see below), whose sum is σ = 141178368. Its totient is φ = 131904000.

The previous prime is 136533629. The next prime is 136533659. The reversal of 136533641 is 146335631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136533641 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 136533598 and 136533607.

It is not an unprimeable number, because it can be changed into a prime (136533941) 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 7 ways as a sum of consecutive naturals, for example, 16436 + ... + 23306.

It is an arithmetic number, because the mean of its divisors is an integer number (17647296).

Almost surely, 2^136533641 is an apocalyptic number.

It is an amenable number.

136533641 is a deficient number, since it is larger than the sum of its proper divisors (4644727).

136533641 is an equidigital number, since it uses as much as digits as its factorization.

136533641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7543.

The product of its digits is 19440, while the sum is 32.

The square root of 136533641 is about 11684.7610587466. The cubic root of 136533641 is about 514.9280585718.

The spelling of 136533641 in words is "one hundred thirty-six million, five hundred thirty-three thousand, six hundred forty-one".