136683641 has 8 divisors (see below), whose sum is σ = 147545280. Its totient is φ = 126231952.

The previous prime is 136683637. The next prime is 136683649. The reversal of 136683641 is 146386631.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 136683641 - 2² = 136683637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 136683595 and 136683604.

It is not an unprimeable number, because it can be changed into a prime (136683649) 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, 101795 + ... + 103128.

It is an arithmetic number, because the mean of its divisors is an integer number (18443160).

Almost surely, 2^136683641 is an apocalyptic number.

It is an amenable number.

136683641 is a deficient number, since it is larger than the sum of its proper divisors (10861639).

136683641 is a wasteful number, since it uses less digits than its factorization.

136683641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204975.

The product of its digits is 62208, while the sum is 38.

The square root of 136683641 is about 11691.1779132815. The cubic root of 136683641 is about 515.1165614191.

The spelling of 136683641 in words is "one hundred thirty-six million, six hundred eighty-three thousand, six hundred forty-one".