130305554 has 8 divisors (see below), whose sum is σ = 197393868. Its totient is φ = 64507600.

The previous prime is 130305551. The next prime is 130305559. The reversal of 130305554 is 455503031.

130305554 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 96491329 + 33814225 = 9823^2 + 5815^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (130305551) 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, 322337 + ... + 322740.

Almost surely, 2^130305554 is an apocalyptic number.

130305554 is a deficient number, since it is larger than the sum of its proper divisors (67088314).

130305554 is a wasteful number, since it uses less digits than its factorization.

130305554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645180.

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 130305554 is about 11415.1458159762. The cubic root of 130305554 is about 506.9762822710.

Adding to 130305554 its reverse (455503031), we get a palindrome (585808585).

The spelling of 130305554 in words is "one hundred thirty million, three hundred five thousand, five hundred fifty-four".