130554532421 has 2 divisors, whose sum is σ = 130554532422. Its totient is φ = 130554532420.

The previous prime is 130554532397. The next prime is 130554532447. The reversal of 130554532421 is 124235455031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 124051884100 + 6502648321 = 352210^2 + 80639^2 .

It is a cyclic number.

It is not a de Polignac number, because 130554532421 - 2⁶ = 130554532357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130554532481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65277266210 + 65277266211.

It is an arithmetic number, because the mean of its divisors is an integer number (65277266211).

Almost surely, 2^130554532421 is an apocalyptic number.

It is an amenable number.

130554532421 is a deficient number, since it is larger than the sum of its proper divisors (1).

130554532421 is an equidigital number, since it uses as much as digits as its factorization.

130554532421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72000, while the sum is 35.

Adding to 130554532421 its reverse (124235455031), we get a palindrome (254789987452).

The spelling of 130554532421 in words is "one hundred thirty billion, five hundred fifty-four million, five hundred thirty-two thousand, four hundred twenty-one".