134668507 has 2 divisors, whose sum is σ = 134668508. Its totient is φ = 134668506.

The previous prime is 134668487. The next prime is 134668529. The reversal of 134668507 is 705866431.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (705866431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 134668507 - 2⁷ = 134668379 is a prime.

It is equal to p_7627675 and since 134668507 and 7627675 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 134668507.

It is not a weakly prime, because it can be changed into another prime (134668307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67334253 + 67334254.

It is an arithmetic number, because the mean of its divisors is an integer number (67334254).

Almost surely, 2^134668507 is an apocalyptic number.

134668507 is a deficient number, since it is larger than the sum of its proper divisors (1).

134668507 is an equidigital number, since it uses as much as digits as its factorization.

134668507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 134668507 is about 11604.6760833726. The cubic root of 134668507 is about 512.5725546298.

The spelling of 134668507 in words is "one hundred thirty-four million, six hundred sixty-eight thousand, five hundred seven".