134364639697 has 2 divisors, whose sum is σ = 134364639698. Its totient is φ = 134364639696.

The previous prime is 134364639659. The next prime is 134364639707. The reversal of 134364639697 is 796936463431.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115298277136 + 19066362561 = 339556^2 + 138081^2 .

It is a cyclic number.

It is not a de Polignac number, because 134364639697 - 2¹⁹ = 134364115409 is a prime.

It is not a weakly prime, because it can be changed into another prime (134364639637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67182319848 + 67182319849.

It is an arithmetic number, because the mean of its divisors is an integer number (67182319849).

Almost surely, 2^134364639697 is an apocalyptic number.

It is an amenable number.

134364639697 is a deficient number, since it is larger than the sum of its proper divisors (1).

134364639697 is an equidigital number, since it uses as much as digits as its factorization.

134364639697 is an evil number, because the sum of its binary digits is even.

The product of its digits is 52907904, while the sum is 61.

The spelling of 134364639697 in words is "one hundred thirty-four billion, three hundred sixty-four million, six hundred thirty-nine thousand, six hundred ninety-seven".