137436503 has 2 divisors, whose sum is σ = 137436504. Its totient is φ = 137436502.

The previous prime is 137436499. The next prime is 137436521. The reversal of 137436503 is 305634731.

It is a weak prime.

It is an emirp because it is prime and its reverse (305634731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 137436503 - 2² = 137436499 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 137436503.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (137436583) 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, 68718251 + 68718252.

It is an arithmetic number, because the mean of its divisors is an integer number (68718252).

Almost surely, 2^137436503 is an apocalyptic number.

137436503 is a deficient number, since it is larger than the sum of its proper divisors (1).

137436503 is an equidigital number, since it uses as much as digits as its factorization.

137436503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 32.

The square root of 137436503 is about 11723.3315657282. The cubic root of 137436503 is about 516.0605949611.

The spelling of 137436503 in words is "one hundred thirty-seven million, four hundred thirty-six thousand, five hundred three".