130440235229 has 2 divisors, whose sum is σ = 130440235230. Its totient is φ = 130440235228.

The previous prime is 130440235141. The next prime is 130440235243. The reversal of 130440235229 is 922532044031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 118449547225 + 11990688004 = 344165^2 + 109502^2 .

It is a cyclic number.

It is not a de Polignac number, because 130440235229 - 2²⁸ = 130171799773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130440235259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65220117614 + 65220117615.

It is an arithmetic number, because the mean of its divisors is an integer number (65220117615).

Almost surely, 2^130440235229 is an apocalyptic number.

It is an amenable number.

130440235229 is a deficient number, since it is larger than the sum of its proper divisors (1).

130440235229 is an equidigital number, since it uses as much as digits as its factorization.

130440235229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 35.

The spelling of 130440235229 in words is "one hundred thirty billion, four hundred forty million, two hundred thirty-five thousand, two hundred twenty-nine".