136736 has 12 divisors (see below), whose sum is σ = 269262. Its totient is φ = 68352.

The previous prime is 136733. The next prime is 136739. The reversal of 136736 is 637631.

It is an interprime number because it is at equal distance from previous prime (136733) and next prime (136739).

It can be written as a sum of positive squares in only one way, i.e., 126736 + 10000 = 356^2 + 100^2 .

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (136733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2105 + ... + 2168.

2¹³⁶⁷³⁶ is an apocalyptic number.

136736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

136736 is a deficient number, since it is larger than the sum of its proper divisors (132526).

136736 is an equidigital number, since it uses as much as digits as its factorization.

136736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4283 (or 4275 counting only the distinct ones).

The product of its digits is 2268, while the sum is 26.

The square root of 136736 is about 369.7783119654. The cubic root of 136736 is about 51.5182327750.

The spelling of 136736 in words is "one hundred thirty-six thousand, seven hundred thirty-six".