134128585 has 8 divisors (see below), whose sum is σ = 163221696. Its totient is φ = 105791280.

The previous prime is 134128549. The next prime is 134128601. The reversal of 134128585 is 585821431.

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

It is not a de Polignac number, because 134128585 - 2²⁵ = 100574153 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188559 + ... + 189268.

It is an arithmetic number, because the mean of its divisors is an integer number (20402712).

Almost surely, 2^134128585 is an apocalyptic number.

It is an amenable number.

134128585 is a deficient number, since it is larger than the sum of its proper divisors (29093111).

134128585 is an equidigital number, since it uses as much as digits as its factorization.

134128585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377903.

The product of its digits is 38400, while the sum is 37.

The square root of 134128585 is about 11581.3895971079. The cubic root of 134128585 is about 511.8866237099.

The spelling of 134128585 in words is "one hundred thirty-four million, one hundred twenty-eight thousand, five hundred eighty-five".