134428079 has 8 divisors (see below), whose sum is σ = 141345120. Its totient is φ = 127663200.

The previous prime is 134428069. The next prime is 134428111. The reversal of 134428079 is 970824431.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134428079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134428009) 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, 36227 + ... + 39764.

It is an arithmetic number, because the mean of its divisors is an integer number (17668140).

Almost surely, 2^134428079 is an apocalyptic number.

134428079 is a deficient number, since it is larger than the sum of its proper divisors (6917041).

134428079 is an equidigital number, since it uses as much as digits as its factorization.

134428079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76081.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 134428079 is about 11594.3123556337. The cubic root of 134428079 is about 512.2673355174.

The spelling of 134428079 in words is "one hundred thirty-four million, four hundred twenty-eight thousand, seventy-nine".