136632646 has 8 divisors (see below), whose sum is σ = 205041600. Its totient is φ = 68285448.

The previous prime is 136632641. The next prime is 136632647. The reversal of 136632646 is 646236631.

136632646 is digitally balanced in base 3, 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 super-2 number, since 2×136632646² = 37336959905922632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136632641) 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 3 ways as a sum of consecutive naturals, for example, 9441 + ... + 19036.

It is an arithmetic number, because the mean of its divisors is an integer number (25630200).

Almost surely, 2^136632646 is an apocalyptic number.

136632646 is a deficient number, since it is larger than the sum of its proper divisors (68408954).

136632646 is a wasteful number, since it uses less digits than its factorization.

136632646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30878.

The product of its digits is 93312, while the sum is 37.

The square root of 136632646 is about 11688.9967918552. The cubic root of 136632646 is about 515.0524922144.

The spelling of 136632646 in words is "one hundred thirty-six million, six hundred thirty-two thousand, six hundred forty-six".