136646 has 8 divisors (see below), whose sum is σ = 217080. Its totient is φ = 64288.

The previous prime is 136621. The next prime is 136649. The reversal of 136646 is 646631.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1976 + ... + 2043.

It is an arithmetic number, because the mean of its divisors is an integer number (27135).

2¹³⁶⁶⁴⁶ is an apocalyptic number.

136646 is a deficient number, since it is larger than the sum of its proper divisors (80434).

136646 is a wasteful number, since it uses less digits than its factorization.

136646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4038.

The product of its digits is 2592, while the sum is 26.

The square root of 136646 is about 369.6565973982. The cubic root of 136646 is about 51.5069271481.

The spelling of 136646 in words is "one hundred thirty-six thousand, six hundred forty-six".