135307603 has 2 divisors, whose sum is σ = 135307604. Its totient is φ = 135307602.

The previous prime is 135307567. The next prime is 135307621. The reversal of 135307603 is 306703531.

It is a strong prime.

It is an emirp because it is prime and its reverse (306703531) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135307603 is a prime.

It is not a weakly prime, because it can be changed into another prime (135307633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67653801 + 67653802.

It is an arithmetic number, because the mean of its divisors is an integer number (67653802).

Almost surely, 2^135307603 is an apocalyptic number.

135307603 is a deficient number, since it is larger than the sum of its proper divisors (1).

135307603 is an equidigital number, since it uses as much as digits as its factorization.

135307603 is an odious number, because the sum of its binary digits is odd.

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

The square root of 135307603 is about 11632.1796323819. The cubic root of 135307603 is about 513.3821134376.

The spelling of 135307603 in words is "one hundred thirty-five million, three hundred seven thousand, six hundred three".