136633661 has 8 divisors (see below), whose sum is σ = 140448000. Its totient is φ = 132848352.

The previous prime is 136633633. The next prime is 136633663. The reversal of 136633661 is 166336631.

136633661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 136633661 - 2¹⁰ = 136632637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136633663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2465 + ... + 16713.

It is an arithmetic number, because the mean of its divisors is an integer number (17556000).

Almost surely, 2^136633661 is an apocalyptic number.

It is an amenable number.

136633661 is a deficient number, since it is larger than the sum of its proper divisors (3814339).

136633661 is a wasteful number, since it uses less digits than its factorization.

136633661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14515.

The product of its digits is 34992, while the sum is 35.

The square root of 136633661 is about 11689.0402086741. The cubic root of 136633661 is about 515.0537675977.

The spelling of 136633661 in words is "one hundred thirty-six million, six hundred thirty-three thousand, six hundred sixty-one".