136560503 has 4 divisors (see below), whose sum is σ = 136583880. Its totient is φ = 136537128.

The previous prime is 136560419. The next prime is 136560511. The reversal of 136560503 is 305065631.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 305065631 = 13 ⋅23466587.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136560503 is a prime.

It is a super-2 number, since 2×136560503² = 37297541959226018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136560533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5513 + ... + 17421.

It is an arithmetic number, because the mean of its divisors is an integer number (34145970).

Almost surely, 2^136560503 is an apocalyptic number.

136560503 is a deficient number, since it is larger than the sum of its proper divisors (23377).

136560503 is a wasteful number, since it uses less digits than its factorization.

136560503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23376.

The product of its (nonzero) digits is 8100, while the sum is 29.

The square root of 136560503 is about 11685.9104480567. The cubic root of 136560503 is about 514.9618258065.

The spelling of 136560503 in words is "one hundred thirty-six million, five hundred sixty thousand, five hundred three".