142232404213409 has 2 divisors, whose sum is σ = 142232404213410. Its totient is φ = 142232404213408.

The previous prime is 142232404213337. The next prime is 142232404213441. The reversal of 142232404213409 is 904312404232241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 104525779726225 + 37706624487184 = 10223785^2 + 6140572^2 .

It is a cyclic number.

It is not a de Polignac number, because 142232404213409 - 2⁸ = 142232404213153 is a prime.

It is not a weakly prime, because it can be changed into another prime (142232404413409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71116202106704 + 71116202106705.

It is an arithmetic number, because the mean of its divisors is an integer number (71116202106705).

Almost surely, 2^{142232404213409} is an apocalyptic number.

It is an amenable number.

142232404213409 is a deficient number, since it is larger than the sum of its proper divisors (1).

142232404213409 is an equidigital number, since it uses as much as digits as its factorization.

142232404213409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 331776, while the sum is 41.

The spelling of 142232404213409 in words is "one hundred forty-two trillion, two hundred thirty-two billion, four hundred four million, two hundred thirteen thousand, four hundred nine".