130731738 has 16 divisors (see below), whose sum is σ = 262051200. Its totient is φ = 43479296.

The previous prime is 130731737. The next prime is 130731773. The reversal of 130731738 is 837137031.

It is a junction number, because it is equal to n+sod(n) for n = 130731699 and 130731708.

It is not an unprimeable number, because it can be changed into a prime (130731737) 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, 21570 + ... + 26957.

It is an arithmetic number, because the mean of its divisors is an integer number (16378200).

Almost surely, 2^130731738 is an apocalyptic number.

130731738 is an abundant number, since it is smaller than the sum of its proper divisors (131319462).

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

130731738 is a wasteful number, since it uses less digits than its factorization.

130731738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48981.

The product of its (nonzero) digits is 10584, while the sum is 33.

The square root of 130731738 is about 11433.7980566389. The cubic root of 130731738 is about 507.5283949589.

Adding to 130731738 its reverse (837137031), we get a palindrome (967868769).

The spelling of 130731738 in words is "one hundred thirty million, seven hundred thirty-one thousand, seven hundred thirty-eight".