134520306 has 16 divisors (see below), whose sum is σ = 269226048. Its totient is φ = 44809200.

The previous prime is 134520301. The next prime is 134520317. The reversal of 134520306 is 603025431.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (134520301) 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, 2811 + ... + 16641.

It is an arithmetic number, because the mean of its divisors is an integer number (16826628).

Almost surely, 2^134520306 is an apocalyptic number.

134520306 is an abundant number, since it is smaller than the sum of its proper divisors (134705742).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

134520306 is a wasteful number, since it uses less digits than its factorization.

134520306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15457.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 134520306 is about 11598.2889255269. The cubic root of 134520306 is about 512.3844590618.

Adding to 134520306 its reverse (603025431), we get a palindrome (737545737).

The spelling of 134520306 in words is "one hundred thirty-four million, five hundred twenty thousand, three hundred six".