134430505 has 8 divisors (see below), whose sum is σ = 175981824. Its totient is φ = 97767600.

The previous prime is 134430503. The next prime is 134430511. The reversal of 134430505 is 505034431.

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

It is not a de Polignac number, because 134430505 - 2¹ = 134430503 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 134430505.

It is not an unprimeable number, because it can be changed into a prime (134430503) 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, 1222041 + ... + 1222150.

It is an arithmetic number, because the mean of its divisors is an integer number (21997728).

Almost surely, 2^134430505 is an apocalyptic number.

It is an amenable number.

134430505 is a deficient number, since it is larger than the sum of its proper divisors (41551319).

134430505 is a wasteful number, since it uses less digits than its factorization.

134430505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2444207.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 134430505 is about 11594.4169754240. The cubic root of 134430505 is about 512.2704170985.

Adding to 134430505 its reverse (505034431), we get a palindrome (639464936).

The spelling of 134430505 in words is "one hundred thirty-four million, four hundred thirty thousand, five hundred five".