420131486129 has 2 divisors, whose sum is σ = 420131486130. Its totient is φ = 420131486128.

The previous prime is 420131486087. The next prime is 420131486143. The reversal of 420131486129 is 921684131024.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 346741967104 + 73389519025 = 588848^2 + 270905^2 .

It is a cyclic number.

It is not a de Polignac number, because 420131486129 - 2¹² = 420131482033 is a prime.

It is not a weakly prime, because it can be changed into another prime (420131486029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210065743064 + 210065743065.

It is an arithmetic number, because the mean of its divisors is an integer number (210065743065).

Almost surely, 2^420131486129 is an apocalyptic number.

It is an amenable number.

420131486129 is a deficient number, since it is larger than the sum of its proper divisors (1).

420131486129 is an equidigital number, since it uses as much as digits as its factorization.

420131486129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 41.

The spelling of 420131486129 in words is "four hundred twenty billion, one hundred thirty-one million, four hundred eighty-six thousand, one hundred twenty-nine".