134081680 has 40 divisors (see below), whose sum is σ = 312480000. Its totient is φ = 53505408.

The previous prime is 134081671. The next prime is 134081699. The reversal of 134081680 is 86180431.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36571 + ... + 40069.

It is an arithmetic number, because the mean of its divisors is an integer number (7812000).

Almost surely, 2^134081680 is an apocalyptic number.

134081680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134081680 is an abundant number, since it is smaller than the sum of its proper divisors (178398320).

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

134081680 is a wasteful number, since it uses less digits than its factorization.

134081680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3991 (or 3985 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 134081680 is about 11579.3644039731. The cubic root of 134081680 is about 511.8269475382.

The spelling of 134081680 in words is "one hundred thirty-four million, eighty-one thousand, six hundred eighty".