134443680 has 96 divisors (see below), whose sum is σ = 484009344. Its totient is φ = 30729216.

The previous prime is 134443679. The next prime is 134443691. The reversal of 134443680 is 86344431.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16647 + ... + 23366.

It is an arithmetic number, because the mean of its divisors is an integer number (5041764).

Almost surely, 2^134443680 is an apocalyptic number.

134443680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134443680 is an abundant number, since it is smaller than the sum of its proper divisors (349565664).

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

134443680 is a wasteful number, since it uses less digits than its factorization.

134443680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40038 (or 40030 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 33.

The square root of 134443680 is about 11594.9851228883. The cubic root of 134443680 is about 512.2871517483.

The spelling of 134443680 in words is "one hundred thirty-four million, four hundred forty-three thousand, six hundred eighty".