136066643 has 8 divisors (see below), whose sum is σ = 142103808. Its totient is φ = 130039624.

The previous prime is 136066639. The next prime is 136066669. The reversal of 136066643 is 346660631.

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 136066643 - 2² = 136066639 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136066633) 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, 40880 + ... + 44082.

It is an arithmetic number, because the mean of its divisors is an integer number (17762976).

Almost surely, 2^136066643 is an apocalyptic number.

136066643 is a deficient number, since it is larger than the sum of its proper divisors (6037165).

136066643 is a wasteful number, since it uses less digits than its factorization.

136066643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5073.

The product of its (nonzero) digits is 46656, while the sum is 35.

The square root of 136066643 is about 11664.7607347943. The cubic root of 136066643 is about 514.3403033949.

The spelling of 136066643 in words is "one hundred thirty-six million, sixty-six thousand, six hundred forty-three".