130503447 has 16 divisors (see below), whose sum is σ = 193562880. Its totient is φ = 86901336.

The previous prime is 130503433. The next prime is 130503481. The reversal of 130503447 is 744305031.

It is not a de Polignac number, because 130503447 - 2⁶ = 130503383 is a prime.

It is a super-2 number, since 2×130503447² = 34062299357763618, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 130503447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130503427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26428 + ... + 30974.

It is an arithmetic number, because the mean of its divisors is an integer number (12097680).

Almost surely, 2^130503447 is an apocalyptic number.

130503447 is a deficient number, since it is larger than the sum of its proper divisors (63059433).

130503447 is a wasteful number, since it uses less digits than its factorization.

130503447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5619 (or 5613 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 130503447 is about 11423.8105288910. The cubic root of 130503447 is about 507.2327981006.

Adding to 130503447 its reverse (744305031), we get a palindrome (874808478).

The spelling of 130503447 in words is "one hundred thirty million, five hundred three thousand, four hundred forty-seven".