134734874273 has 2 divisors, whose sum is σ = 134734874274. Its totient is φ = 134734874272.

The previous prime is 134734874269. The next prime is 134734874303. The reversal of 134734874273 is 372478437431.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 132275507809 + 2459366464 = 363697^2 + 49592^2 .

It is a cyclic number.

It is not a de Polignac number, because 134734874273 - 2² = 134734874269 is a prime.

It is a super-2 number, since 2×134734874273² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (134734874243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67367437136 + 67367437137.

It is an arithmetic number, because the mean of its divisors is an integer number (67367437137).

Almost surely, 2^134734874273 is an apocalyptic number.

It is an amenable number.

134734874273 is a deficient number, since it is larger than the sum of its proper divisors (1).

134734874273 is an equidigital number, since it uses as much as digits as its factorization.

134734874273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9483264, while the sum is 53.

The spelling of 134734874273 in words is "one hundred thirty-four billion, seven hundred thirty-four million, eight hundred seventy-four thousand, two hundred seventy-three".