136660 has 12 divisors (see below), whose sum is σ = 287028. Its totient is φ = 54656.

The previous prime is 136657. The next prime is 136691. The reversal of 136660 is 66631.

It can be written as a sum of positive squares in 2 ways, for example, as 31684 + 104976 = 178^2 + 324^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3397 + ... + 3436.

It is an arithmetic number, because the mean of its divisors is an integer number (23919).

2¹³⁶⁶⁶⁰ is an apocalyptic number.

136660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136660 is an abundant number, since it is smaller than the sum of its proper divisors (150368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

136660 is a wasteful number, since it uses less digits than its factorization.

136660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6842 (or 6840 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 136660 is about 369.6755334073. The cubic root of 136660 is about 51.5086861272.

The spelling of 136660 in words is "one hundred thirty-six thousand, six hundred sixty".