134669482681 has 2 divisors, whose sum is σ = 134669482682. Its totient is φ = 134669482680.

The previous prime is 134669482679. The next prime is 134669482687. The reversal of 134669482681 is 186284966431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 131725443600 + 2944039081 = 362940^2 + 54259^2 .

It is a cyclic number.

It is not a de Polignac number, because 134669482681 - 2¹ = 134669482679 is a prime.

It is a super-2 number, since 2×134669482681² (a number of 23 digits) contains 22 as substring.

Together with 134669482679, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (134669482687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67334741340 + 67334741341.

It is an arithmetic number, because the mean of its divisors is an integer number (67334741341).

Almost surely, 2^134669482681 is an apocalyptic number.

It is an amenable number.

134669482681 is a deficient number, since it is larger than the sum of its proper divisors (1).

134669482681 is an equidigital number, since it uses as much as digits as its factorization.

134669482681 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11943936, while the sum is 58.

The spelling of 134669482681 in words is "one hundred thirty-four billion, six hundred sixty-nine million, four hundred eighty-two thousand, six hundred eighty-one".