134884785 has 16 divisors (see below), whose sum is σ = 246646656. Its totient is φ = 61661568.

The previous prime is 134884769. The next prime is 134884807. The reversal of 134884785 is 587488431.

It is not a de Polignac number, because 134884785 - 2⁴ = 134884769 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 642204 + ... + 642413.

It is an arithmetic number, because the mean of its divisors is an integer number (15415416).

Almost surely, 2^134884785 is an apocalyptic number.

134884785 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

134884785 is a deficient number, since it is larger than the sum of its proper divisors (111761871).

134884785 is a wasteful number, since it uses less digits than its factorization.

134884785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1284632.

The product of its digits is 860160, while the sum is 48.

The square root of 134884785 is about 11613.9909161321. The cubic root of 134884785 is about 512.8468055198.

The spelling of 134884785 in words is "one hundred thirty-four million, eight hundred eighty-four thousand, seven hundred eighty-five".