134788307 has 4 divisors (see below), whose sum is σ = 135016200. Its totient is φ = 134560416.

The previous prime is 134788301. The next prime is 134788309. The reversal of 134788307 is 703887431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 134788307 - 2⁸ = 134788051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134788301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113057 + ... + 114242.

It is an arithmetic number, because the mean of its divisors is an integer number (33754050).

Almost surely, 2^134788307 is an apocalyptic number.

134788307 is a deficient number, since it is larger than the sum of its proper divisors (227893).

134788307 is an equidigital number, since it uses as much as digits as its factorization.

134788307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227892.

The product of its (nonzero) digits is 112896, while the sum is 41.

The square root of 134788307 is about 11609.8366482910. The cubic root of 134788307 is about 512.7245030291.

The spelling of 134788307 in words is "one hundred thirty-four million, seven hundred eighty-eight thousand, three hundred seven".