134881368 has 32 divisors (see below), whose sum is σ = 345048000. Its totient is φ = 43914528.

The previous prime is 134881367. The next prime is 134881379. The reversal of 134881368 is 863188431.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134881363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64318 + ... + 66381.

It is an arithmetic number, because the mean of its divisors is an integer number (10782750).

Almost surely, 2^134881368 is an apocalyptic number.

It is an amenable number.

134881368 is an abundant number, since it is smaller than the sum of its proper divisors (210166632).

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

134881368 is a wasteful number, since it uses less digits than its factorization.

134881368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130751 (or 130747 counting only the distinct ones).

The product of its digits is 110592, while the sum is 42.

The square root of 134881368 is about 11613.8438081455. The cubic root of 134881368 is about 512.8424748798.

The spelling of 134881368 in words is "one hundred thirty-four million, eight hundred eighty-one thousand, three hundred sixty-eight".