134120205131123 has 2 divisors, whose sum is σ = 134120205131124. Its totient is φ = 134120205131122.

The previous prime is 134120205131021. The next prime is 134120205131137. The reversal of 134120205131123 is 321131502021431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 134120205131123 - 2²⁰ = 134120204082547 is a prime.

It is a super-2 number, since 2×134120205131123² (a number of 29 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (134120205131723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67060102565561 + 67060102565562.

It is an arithmetic number, because the mean of its divisors is an integer number (67060102565562).

Almost surely, 2^{134120205131123} is an apocalyptic number.

134120205131123 is a deficient number, since it is larger than the sum of its proper divisors (1).

134120205131123 is an equidigital number, since it uses as much as digits as its factorization.

134120205131123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 29.

Adding to 134120205131123 its reverse (321131502021431), we get a palindrome (455251707152554).

The spelling of 134120205131123 in words is "one hundred thirty-four trillion, one hundred twenty billion, two hundred five million, one hundred thirty-one thousand, one hundred twenty-three".