136307503 has 2 divisors, whose sum is σ = 136307504. Its totient is φ = 136307502.

The previous prime is 136307491. The next prime is 136307531. The reversal of 136307503 is 305703631.

It is an a-pointer prime, because the next prime (136307531) can be obtained adding 136307503 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 136307503 - 2⁵ = 136307471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136307603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68153751 + 68153752.

It is an arithmetic number, because the mean of its divisors is an integer number (68153752).

Almost surely, 2^136307503 is an apocalyptic number.

136307503 is a deficient number, since it is larger than the sum of its proper divisors (1).

136307503 is an equidigital number, since it uses as much as digits as its factorization.

136307503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5670, while the sum is 28.

The square root of 136307503 is about 11675.0804279885. The cubic root of 136307503 is about 514.6436130484.

The spelling of 136307503 in words is "one hundred thirty-six million, three hundred seven thousand, five hundred three".