130503009 has 32 divisors (see below), whose sum is σ = 216324864. Its totient is φ = 68140800.

The previous prime is 130503007. The next prime is 130503011. The reversal of 130503009 is 900305031.

It is an interprime number because it is at equal distance from previous prime (130503007) and next prime (130503011).

It is not a de Polignac number, because 130503009 - 2¹ = 130503007 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (130503007) 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, 25207 + ... + 29939.

It is an arithmetic number, because the mean of its divisors is an integer number (6760152).

Almost surely, 2^130503009 is an apocalyptic number.

It is an amenable number.

130503009 is a deficient number, since it is larger than the sum of its proper divisors (85821855).

130503009 is a wasteful number, since it uses less digits than its factorization.

130503009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4857.

The product of its (nonzero) digits is 405, while the sum is 21.

The square root of 130503009 is about 11423.7913583889. The cubic root of 130503009 is about 507.2322306361.

The spelling of 130503009 in words is "one hundred thirty million, five hundred three thousand, nine".