134320015 has 8 divisors (see below), whose sum is σ = 161607168. Its totient is φ = 107173920.

The previous prime is 134320013. The next prime is 134320019. The reversal of 134320015 is 510023431.

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

It is not a de Polignac number, because 134320015 - 2¹ = 134320013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 134319974 and 134320001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134320013) 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, 33156 + ... + 36985.

It is an arithmetic number, because the mean of its divisors is an integer number (20200896).

Almost surely, 2^134320015 is an apocalyptic number.

134320015 is a deficient number, since it is larger than the sum of its proper divisors (27287153).

134320015 is an equidigital number, since it uses as much as digits as its factorization.

134320015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70529.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 134320015 is about 11589.6512026894. The cubic root of 134320015 is about 512.1300316197.

Adding to 134320015 its reverse (510023431), we get a palindrome (644343446).

The spelling of 134320015 in words is "one hundred thirty-four million, three hundred twenty thousand, fifteen".