130133138 has 8 divisors (see below), whose sum is σ = 196990860. Its totient is φ = 64469520.

The previous prime is 130133137. The next prime is 130133197. The reversal of 130133138 is 831331031.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 107599129 + 22534009 = 10373^2 + 4747^2 .

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 (130133137) 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, 298253 + ... + 298688.

Almost surely, 2^130133138 is an apocalyptic number.

130133138 is a deficient number, since it is larger than the sum of its proper divisors (66857722).

130133138 is a wasteful number, since it uses less digits than its factorization.

130133138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597052.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 130133138 is about 11407.5912444302. The cubic root of 130133138 is about 506.7525788257.

Adding to 130133138 its reverse (831331031), we get a palindrome (961464169).

The spelling of 130133138 in words is "one hundred thirty million, one hundred thirty-three thousand, one hundred thirty-eight".