130555603 has 4 divisors (see below), whose sum is σ = 133739928. Its totient is φ = 127371280.

The previous prime is 130555577. The next prime is 130555673. The reversal of 130555603 is 306555031.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 306555031 = 607 ⋅505033.

It is a cyclic number.

It is not a de Polignac number, because 130555603 - 2⁹ = 130555091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130555673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1592101 + ... + 1592182.

It is an arithmetic number, because the mean of its divisors is an integer number (33434982).

Almost surely, 2^130555603 is an apocalyptic number.

130555603 is a deficient number, since it is larger than the sum of its proper divisors (3184325).

130555603 is an equidigital number, since it uses as much as digits as its factorization.

130555603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3184324.

The product of its (nonzero) digits is 6750, while the sum is 28.

The square root of 130555603 is about 11426.0930768133. The cubic root of 130555603 is about 507.3003613487.

The spelling of 130555603 in words is "one hundred thirty million, five hundred fifty-five thousand, six hundred three".