130442263 has 12 divisors (see below), whose sum is σ = 155270280. Its totient is φ = 109205712.

The previous prime is 130442251. The next prime is 130442297. The reversal of 130442263 is 362244031.

It is not a de Polignac number, because 130442263 - 2⁵ = 130442231 is a prime.

It is a super-2 number, since 2×130442263² = 34030367953122338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130442243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28848 + ... + 33061.

It is an arithmetic number, because the mean of its divisors is an integer number (12939190).

Almost surely, 2^130442263 is an apocalyptic number.

130442263 is a deficient number, since it is larger than the sum of its proper divisors (24828017).

130442263 is an equidigital number, since it uses as much as digits as its factorization.

130442263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61966 (or 61959 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 130442263 is about 11421.1322993826. The cubic root of 130442263 is about 507.1535169692.

Adding to 130442263 its reverse (362244031), we get a palindrome (492686294).

The spelling of 130442263 in words is "one hundred thirty million, four hundred forty-two thousand, two hundred sixty-three".