136836503 has 2 divisors, whose sum is σ = 136836504. Its totient is φ = 136836502.

The previous prime is 136836467. The next prime is 136836509. The reversal of 136836503 is 305638631.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 136836503 - 2⁶ = 136836439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136836509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68418251 + 68418252.

It is an arithmetic number, because the mean of its divisors is an integer number (68418252).

Almost surely, 2^136836503 is an apocalyptic number.

136836503 is a deficient number, since it is larger than the sum of its proper divisors (1).

136836503 is an equidigital number, since it uses as much as digits as its factorization.

136836503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 136836503 is about 11697.7135800121. The cubic root of 136836503 is about 515.3085190704.

The spelling of 136836503 in words is "one hundred thirty-six million, eight hundred thirty-six thousand, five hundred three".