130440251 has 2 divisors, whose sum is σ = 130440252. Its totient is φ = 130440250.

The previous prime is 130440239. The next prime is 130440253. The reversal of 130440251 is 152044031.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 130440251 - 2¹⁸ = 130178107 is a prime.

Together with 130440253, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (130440253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65220125 + 65220126.

It is an arithmetic number, because the mean of its divisors is an integer number (65220126).

Almost surely, 2^130440251 is an apocalyptic number.

130440251 is a deficient number, since it is larger than the sum of its proper divisors (1).

130440251 is an equidigital number, since it uses as much as digits as its factorization.

130440251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 130440251 is about 11421.0442167080. The cubic root of 130440251 is about 507.1509094347.

Adding to 130440251 its reverse (152044031), we get a palindrome (282484282).

The spelling of 130440251 in words is "one hundred thirty million, four hundred forty thousand, two hundred fifty-one".