134660263 has 2 divisors, whose sum is σ = 134660264. Its totient is φ = 134660262.

The previous prime is 134660261. The next prime is 134660269. The reversal of 134660263 is 362066431.

It is a weak prime.

It is an emirp because it is prime and its reverse (362066431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 134660263 - 2¹ = 134660261 is a prime.

Together with 134660261, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134660261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67330131 + 67330132.

It is an arithmetic number, because the mean of its divisors is an integer number (67330132).

Almost surely, 2^134660263 is an apocalyptic number.

134660263 is a deficient number, since it is larger than the sum of its proper divisors (1).

134660263 is an equidigital number, since it uses as much as digits as its factorization.

134660263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 134660263 is about 11604.3208762943. The cubic root of 134660263 is about 512.5620950342.

The spelling of 134660263 in words is "one hundred thirty-four million, six hundred sixty thousand, two hundred sixty-three".