134430503 has 2 divisors, whose sum is σ = 134430504. Its totient is φ = 134430502.

The previous prime is 134430493. The next prime is 134430511. The reversal of 134430503 is 305034431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 134430503 - 2²² = 130236199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134430533) 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, 67215251 + 67215252.

It is an arithmetic number, because the mean of its divisors is an integer number (67215252).

Almost surely, 2^134430503 is an apocalyptic number.

134430503 is a deficient number, since it is larger than the sum of its proper divisors (1).

134430503 is an equidigital number, since it uses as much as digits as its factorization.

134430503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 134430503 is about 11594.4168891756. The cubic root of 134430503 is about 512.2704145580.

Adding to 134430503 its reverse (305034431), we get a palindrome (439464934).

The spelling of 134430503 in words is "one hundred thirty-four million, four hundred thirty thousand, five hundred three".