134528739 has 8 divisors (see below), whose sum is σ = 180282960. Its totient is φ = 89230176.

The previous prime is 134528699. The next prime is 134528743. The reversal of 134528739 is 937825431.

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

It is not a de Polignac number, because 134528739 - 2⁸ = 134528483 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 134528739.

It is not an unprimeable number, because it can be changed into a prime (134528539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113224 + ... + 114405.

It is an arithmetic number, because the mean of its divisors is an integer number (22535370).

Almost surely, 2^134528739 is an apocalyptic number.

134528739 is a deficient number, since it is larger than the sum of its proper divisors (45754221).

134528739 is a wasteful number, since it uses less digits than its factorization.

134528739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227829.

The product of its digits is 181440, while the sum is 42.

The square root of 134528739 is about 11598.6524648340. The cubic root of 134528739 is about 512.3951658663.

The spelling of 134528739 in words is "one hundred thirty-four million, five hundred twenty-eight thousand, seven hundred thirty-nine".