20134134089 has 2 divisors, whose sum is σ = 20134134090. Its totient is φ = 20134134088.

The previous prime is 20134134077. The next prime is 20134134257. The reversal of 20134134089 is 98043143102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19288487689 + 845646400 = 138883^2 + 29080^2 .

It is a cyclic number.

It is not a de Polignac number, because 20134134089 - 2¹² = 20134129993 is a prime.

It is not a weakly prime, because it can be changed into another prime (20134134019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10067067044 + 10067067045.

It is an arithmetic number, because the mean of its divisors is an integer number (10067067045).

Almost surely, 2^20134134089 is an apocalyptic number.

It is an amenable number.

20134134089 is a deficient number, since it is larger than the sum of its proper divisors (1).

20134134089 is an equidigital number, since it uses as much as digits as its factorization.

20134134089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 35.

The spelling of 20134134089 in words is "twenty billion, one hundred thirty-four million, one hundred thirty-four thousand, eighty-nine".