130602305 has 4 divisors (see below), whose sum is σ = 156722772. Its totient is φ = 104481840.

The previous prime is 130602301. The next prime is 130602319. The reversal of 130602305 is 503206031.

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

It can be written as a sum of positive squares in 2 ways, for example, as 32809984 + 97792321 = 5728^2 + 9889^2 .

It is not a de Polignac number, because 130602305 - 2² = 130602301 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130602301) 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, 13060226 + ... + 13060235.

It is an arithmetic number, because the mean of its divisors is an integer number (39180693).

Almost surely, 2^130602305 is an apocalyptic number.

It is an amenable number.

130602305 is a deficient number, since it is larger than the sum of its proper divisors (26120467).

130602305 is an equidigital number, since it uses as much as digits as its factorization.

130602305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26120466.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 130602305 is about 11428.1365497617. The cubic root of 130602305 is about 507.3608441787.

Adding to 130602305 its reverse (503206031), we get a palindrome (633808336).

The spelling of 130602305 in words is "one hundred thirty million, six hundred two thousand, three hundred five".