135671603 has 2 divisors, whose sum is σ = 135671604. Its totient is φ = 135671602.

The previous prime is 135671597. The next prime is 135671623. The reversal of 135671603 is 306176531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 135671603 - 2⁴ = 135671587 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 135671603.

It is not a weakly prime, because it can be changed into another prime (135671623) 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, 67835801 + 67835802.

It is an arithmetic number, because the mean of its divisors is an integer number (67835802).

Almost surely, 2^135671603 is an apocalyptic number.

135671603 is a deficient number, since it is larger than the sum of its proper divisors (1).

135671603 is an equidigital number, since it uses as much as digits as its factorization.

135671603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 135671603 is about 11647.8153745670. The cubic root of 135671603 is about 513.8420623828.

The spelling of 135671603 in words is "one hundred thirty-five million, six hundred seventy-one thousand, six hundred three".