135473603 has 2 divisors, whose sum is σ = 135473604. Its totient is φ = 135473602.

The previous prime is 135473581. The next prime is 135473621. The reversal of 135473603 is 306374531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 135473603 - 2²⁴ = 118696387 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 135473603.

It is not a weakly prime, because it can be changed into another prime (135473633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67736801 + 67736802.

It is an arithmetic number, because the mean of its divisors is an integer number (67736802).

Almost surely, 2^135473603 is an apocalyptic number.

135473603 is a deficient number, since it is larger than the sum of its proper divisors (1).

135473603 is an equidigital number, since it uses as much as digits as its factorization.

135473603 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 135473603 is about 11639.3128233586. The cubic root of 135473603 is about 513.5919725581.

The spelling of 135473603 in words is "one hundred thirty-five million, four hundred seventy-three thousand, six hundred three".