130003730 has 16 divisors (see below), whose sum is σ = 236827584. Its totient is φ = 51374640.

The previous prime is 130003721. The next prime is 130003733. The reversal of 130003730 is 37300031.

It is a junction number, because it is equal to n+sod(n) for n = 130003699 and 130003708.

It is not an unprimeable number, because it can be changed into a prime (130003733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77486 + ... + 79145.

It is an arithmetic number, because the mean of its divisors is an integer number (14801724).

Almost surely, 2^130003730 is an apocalyptic number.

130003730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

130003730 is a deficient number, since it is larger than the sum of its proper divisors (106823854).

130003730 is a wasteful number, since it uses less digits than its factorization.

130003730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156721.

The product of its (nonzero) digits is 189, while the sum is 17.

The square root of 130003730 is about 11401.9178211387. The cubic root of 130003730 is about 506.5845468440.

Adding to 130003730 its reverse (37300031), we get a palindrome (167303761).

The spelling of 130003730 in words is "one hundred thirty million, three thousand, seven hundred thirty".