130138241 has 4 divisors (see below), whose sum is σ = 130162500. Its totient is φ = 130113984.

The previous prime is 130138219. The next prime is 130138249. The reversal of 130138241 is 142831031.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 80928016 + 49210225 = 8996^2 + 7015^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130138241 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (130138249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116 + ... + 16133.

It is an arithmetic number, because the mean of its divisors is an integer number (32540625).

Almost surely, 2^130138241 is an apocalyptic number.

It is an amenable number.

130138241 is a deficient number, since it is larger than the sum of its proper divisors (24259).

130138241 is an equidigital number, since it uses as much as digits as its factorization.

130138241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24258.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 130138241 is about 11407.8149090875. The cubic root of 130138241 is about 506.7592026180.

Adding to 130138241 its reverse (142831031), we get a palindrome (272969272).

The spelling of 130138241 in words is "one hundred thirty million, one hundred thirty-eight thousand, two hundred forty-one".