134661863 has 8 divisors (see below), whose sum is σ = 154160160. Its totient is φ = 115228800.

The previous prime is 134661851. The next prime is 134661887. The reversal of 134661863 is 368166431.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 134661863 - 2¹⁰ = 134660839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134661563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11798 + ... + 20211.

It is an arithmetic number, because the mean of its divisors is an integer number (19270020).

Almost surely, 2^134661863 is an apocalyptic number.

134661863 is a deficient number, since it is larger than the sum of its proper divisors (19498297).

134661863 is an equidigital number, since it uses as much as digits as its factorization.

134661863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32617.

The product of its digits is 62208, while the sum is 38.

The square root of 134661863 is about 11604.3898159274. The cubic root of 134661863 is about 512.5641250716.

The spelling of 134661863 in words is "one hundred thirty-four million, six hundred sixty-one thousand, eight hundred sixty-three".