20134140142097 has 2 divisors, whose sum is σ = 20134140142098. Its totient is φ = 20134140142096.

The previous prime is 20134140142087. The next prime is 20134140142147. The reversal of 20134140142097 is 79024104143102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12713724428161 + 7420415713936 = 3565631^2 + 2724044^2 .

It is a cyclic number.

It is not a de Polignac number, because 20134140142097 - 2³² = 20129845174801 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20134140142097.

It is not a weakly prime, because it can be changed into another prime (20134140142087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10067070071048 + 10067070071049.

It is an arithmetic number, because the mean of its divisors is an integer number (10067070071049).

Almost surely, 2^{20134140142097} is an apocalyptic number.

It is an amenable number.

20134140142097 is a deficient number, since it is larger than the sum of its proper divisors (1).

20134140142097 is an equidigital number, since it uses as much as digits as its factorization.

20134140142097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 38.

Adding to 20134140142097 its reverse (79024104143102), we get a palindrome (99158244285199).

The spelling of 20134140142097 in words is "twenty trillion, one hundred thirty-four billion, one hundred forty million, one hundred forty-two thousand, ninety-seven".