134947812 has 12 divisors (see below), whose sum is σ = 314878256. Its totient is φ = 44982600.

The previous prime is 134947811. The next prime is 134947829. The reversal of 134947812 is 218749431.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (134947811) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 5622814 + ... + 5622837.

Almost surely, 2^134947812 is an apocalyptic number.

134947812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

134947812 is an abundant number, since it is smaller than the sum of its proper divisors (179930444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

134947812 is a wasteful number, since it uses less digits than its factorization.

134947812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11245658 (or 11245656 counting only the distinct ones).

The product of its digits is 48384, while the sum is 39.

The square root of 134947812 is about 11616.7040075918. The cubic root of 134947812 is about 512.9266716129.

The spelling of 134947812 in words is "one hundred thirty-four million, nine hundred forty-seven thousand, eight hundred twelve".