130030038 has 48 divisors (see below), whose sum is σ = 286702416. Its totient is φ = 42586560.

The previous prime is 130030031. The next prime is 130030051. The reversal of 130030038 is 830030031.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 130030038.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130030031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 348420 + ... + 348792.

It is an arithmetic number, because the mean of its divisors is an integer number (5972967).

Almost surely, 2^130030038 is an apocalyptic number.

130030038 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

130030038 is an abundant number, since it is smaller than the sum of its proper divisors (156672378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

130030038 is a wasteful number, since it uses less digits than its factorization.

130030038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669 (or 666 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 130030038 is about 11403.0714283477. The cubic root of 130030038 is about 506.6187159338.

Adding to 130030038 its reverse (830030031), we get a palindrome (960060069).

The spelling of 130030038 in words is "one hundred thirty million, thirty thousand, thirty-eight".