130305453 has 32 divisors (see below), whose sum is σ = 184187520. Its totient is φ = 81849600.

The previous prime is 130305451. The next prime is 130305457. The reversal of 130305453 is 354503031.

It is a happy number.

It is not a de Polignac number, because 130305453 - 2¹ = 130305451 is a prime.

It is a super-2 number, since 2×130305453² = 33959022163070418, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130305451) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 661351 + ... + 661547.

It is an arithmetic number, because the mean of its divisors is an integer number (5755860).

Almost surely, 2^130305453 is an apocalyptic number.

It is an amenable number.

130305453 is a deficient number, since it is larger than the sum of its proper divisors (53882067).

130305453 is a wasteful number, since it uses less digits than its factorization.

130305453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397.

The product of its (nonzero) digits is 2700, while the sum is 24.

The square root of 130305453 is about 11415.1413920284. The cubic root of 130305453 is about 506.9761512849.

Adding to 130305453 its reverse (354503031), we get a palindrome (484808484).

The spelling of 130305453 in words is "one hundred thirty million, three hundred five thousand, four hundred fifty-three".