130315138 has 8 divisors (see below), whose sum is σ = 200240460. Its totient is φ = 63568320.

The previous prime is 130315123. The next prime is 130315139. The reversal of 130315138 is 831513031.

It can be written as a sum of positive squares in 2 ways, for example, as 128527569 + 1787569 = 11337^2 + 1337^2 .

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 (130315139) 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, 794523 + ... + 794686.

Almost surely, 2^130315138 is an apocalyptic number.

130315138 is a deficient number, since it is larger than the sum of its proper divisors (69925322).

130315138 is a wasteful number, since it uses less digits than its factorization.

130315138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1589252.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 130315138 is about 11415.5656014058. The cubic root of 130315138 is about 506.9887113691.

Adding to 130315138 its reverse (831513031), we get a palindrome (961828169).

The spelling of 130315138 in words is "one hundred thirty million, three hundred fifteen thousand, one hundred thirty-eight".