134302505 has 8 divisors (see below), whose sum is σ = 163568832. Its totient is φ = 105838128.

The previous prime is 134302501. The next prime is 134302517. The reversal of 134302505 is 505203431.

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 134302505 - 2² = 134302501 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134302501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200117 + ... + 200786.

It is an arithmetic number, because the mean of its divisors is an integer number (20446104).

Almost surely, 2^134302505 is an apocalyptic number.

It is an amenable number.

134302505 is a deficient number, since it is larger than the sum of its proper divisors (29266327).

134302505 is an equidigital number, since it uses as much as digits as its factorization.

134302505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400975.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 134302505 is about 11588.8957627550. The cubic root of 134302505 is about 512.1077768412.

Adding to 134302505 its reverse (505203431), we get a palindrome (639505936).

The spelling of 134302505 in words is "one hundred thirty-four million, three hundred two thousand, five hundred five".