136003 has 4 divisors (see below), whose sum is σ = 155440. Its totient is φ = 116568.

The previous prime is 135979. The next prime is 136013. The reversal of 136003 is 300631.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 136003 - 2¹⁷ = 4931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9708 + ... + 9721.

It is an arithmetic number, because the mean of its divisors is an integer number (38860).

2¹³⁶⁰⁰³ is an apocalyptic number.

136003 is a deficient number, since it is larger than the sum of its proper divisors (19437).

136003 is an equidigital number, since it uses as much as digits as its factorization.

136003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19436.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 136003 is about 368.7858457154. The cubic root of 136003 is about 51.4260099400.

Adding to 136003 its reverse (300631), we get a palindrome (436634).

The spelling of 136003 in words is "one hundred thirty-six thousand, three".