136512503 has 2 divisors, whose sum is σ = 136512504. Its totient is φ = 136512502.

The previous prime is 136512491. The next prime is 136512527. The reversal of 136512503 is 305215631.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 136512503 - 2¹⁴ = 136496119 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136512583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68256251 + 68256252.

It is an arithmetic number, because the mean of its divisors is an integer number (68256252).

Almost surely, 2^136512503 is an apocalyptic number.

136512503 is a deficient number, since it is larger than the sum of its proper divisors (1).

136512503 is an equidigital number, since it uses as much as digits as its factorization.

136512503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 136512503 is about 11683.8565122994. The cubic root of 136512503 is about 514.9014836535.

The spelling of 136512503 in words is "one hundred thirty-six million, five hundred twelve thousand, five hundred three".