134240080 has 60 divisors (see below), whose sum is σ = 337997340. Its totient is φ = 49560576.

The previous prime is 134240069. The next prime is 134240081. The reversal of 134240080 is 80042431.

It can be written as a sum of positive squares in 6 ways, for example, as 45050944 + 89189136 = 6712^2 + 9444^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134240081) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8556 + ... + 18484.

It is an arithmetic number, because the mean of its divisors is an integer number (5633289).

Almost surely, 2^134240080 is an apocalyptic number.

134240080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 134240080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168998670).

134240080 is an abundant number, since it is smaller than the sum of its proper divisors (203757260).

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

134240080 is a wasteful number, since it uses less digits than its factorization.

134240080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9968 (or 9949 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 134240080 is about 11586.2021387511. The cubic root of 134240080 is about 512.0284204601.

The spelling of 134240080 in words is "one hundred thirty-four million, two hundred forty thousand, eighty".