134728871 has 8 divisors (see below), whose sum is σ = 140703360. Its totient is φ = 128764152.

The previous prime is 134728843. The next prime is 134728879. The reversal of 134728871 is 178827431.

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

It is a cyclic number.

It is not a de Polignac number, because 134728871 - 2⁶ = 134728807 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 (134728879) 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, 49340 + ... + 51998.

It is an arithmetic number, because the mean of its divisors is an integer number (17587920).

Almost surely, 2^134728871 is an apocalyptic number.

134728871 is a deficient number, since it is larger than the sum of its proper divisors (5974489).

134728871 is a wasteful number, since it uses less digits than its factorization.

134728871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4885.

The product of its digits is 75264, while the sum is 41.

The square root of 134728871 is about 11607.2766401081. The cubic root of 134728871 is about 512.6491286027.

The spelling of 134728871 in words is "one hundred thirty-four million, seven hundred twenty-eight thousand, eight hundred seventy-one".