134620672673 has 2 divisors, whose sum is σ = 134620672674. Its totient is φ = 134620672672.

The previous prime is 134620672643. The next prime is 134620672733. The reversal of 134620672673 is 376276026431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100496608144 + 34124064529 = 317012^2 + 184727^2 .

It is an emirp because it is prime and its reverse (376276026431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 134620672673 - 2¹² = 134620668577 is a prime.

It is not a weakly prime, because it can be changed into another prime (134620672643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67310336336 + 67310336337.

It is an arithmetic number, because the mean of its divisors is an integer number (67310336337).

Almost surely, 2^134620672673 is an apocalyptic number.

It is an amenable number.

134620672673 is a deficient number, since it is larger than the sum of its proper divisors (1).

134620672673 is an equidigital number, since it uses as much as digits as its factorization.

134620672673 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1524096, while the sum is 47.

The spelling of 134620672673 in words is "one hundred thirty-four billion, six hundred twenty million, six hundred seventy-two thousand, six hundred seventy-three".