135568603 has 4 divisors (see below), whose sum is σ = 136047928. Its totient is φ = 135089280.

The previous prime is 135568597. The next prime is 135568619. The reversal of 135568603 is 306865531.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 135568603 - 2⁹ = 135568091 is a prime.

It is a super-2 number, since 2×135568603² = 36757692238743218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135268603) 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 in 3 ways as a sum of consecutive naturals, for example, 239238 + ... + 239803.

It is an arithmetic number, because the mean of its divisors is an integer number (34011982).

Almost surely, 2^135568603 is an apocalyptic number.

135568603 is a deficient number, since it is larger than the sum of its proper divisors (479325).

135568603 is an equidigital number, since it uses as much as digits as its factorization.

135568603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479324.

The product of its (nonzero) digits is 64800, while the sum is 37.

The square root of 135568603 is about 11643.3931051047. The cubic root of 135568603 is about 513.7119955390.

The spelling of 135568603 in words is "one hundred thirty-five million, five hundred sixty-eight thousand, six hundred three".