134481073369 has 2 divisors, whose sum is σ = 134481073370. Its totient is φ = 134481073368.

The previous prime is 134481073361. The next prime is 134481073381. The reversal of 134481073369 is 963370184431.

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., 106654496400 + 27826576969 = 326580^2 + 166813^2 .

It is an emirp because it is prime and its reverse (963370184431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 134481073369 - 2³ = 134481073361 is a prime.

It is a super-2 number, since 2×134481073369² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (134481073361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67240536684 + 67240536685.

It is an arithmetic number, because the mean of its divisors is an integer number (67240536685).

Almost surely, 2^134481073369 is an apocalyptic number.

It is an amenable number.

134481073369 is a deficient number, since it is larger than the sum of its proper divisors (1).

134481073369 is an equidigital number, since it uses as much as digits as its factorization.

134481073369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1306368, while the sum is 49.

The spelling of 134481073369 in words is "one hundred thirty-four billion, four hundred eighty-one million, seventy-three thousand, three hundred sixty-nine".