130343746 has 8 divisors (see below), whose sum is σ = 210555324. Its totient is φ = 60158640.

The previous prime is 130343729. The next prime is 130343749. The reversal of 130343746 is 647343031.

It can be written as a sum of positive squares in 2 ways, for example, as 125552025 + 4791721 = 11205^2 + 2189^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (130343749) 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 3 ways as a sum of consecutive naturals, for example, 2506585 + ... + 2506636.

Almost surely, 2^130343746 is an apocalyptic number.

130343746 is a deficient number, since it is larger than the sum of its proper divisors (80211578).

130343746 is a wasteful number, since it uses less digits than its factorization.

130343746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5013236.

The product of its (nonzero) digits is 18144, while the sum is 31.

The square root of 130343746 is about 11416.8185586003. The cubic root of 130343746 is about 507.0258082919.

Adding to 130343746 its reverse (647343031), we get a palindrome (777686777).

The spelling of 130343746 in words is "one hundred thirty million, three hundred forty-three thousand, seven hundred forty-six".