134468240 has 40 divisors (see below), whose sum is σ = 314946360. Its totient is φ = 53390336.

The previous prime is 134468239. The next prime is 134468309. The reversal of 134468240 is 42864431.

It can be written as a sum of positive squares in 4 ways, for example, as 48052624 + 86415616 = 6932^2 + 9296^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 134468197 and 134468206.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4826 + ... + 17094.

It is an arithmetic number, because the mean of its divisors is an integer number (7873659).

Almost surely, 2^134468240 is an apocalyptic number.

134468240 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 134468240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157473180).

134468240 is an abundant number, since it is smaller than the sum of its proper divisors (180478120).

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

134468240 is a wasteful number, since it uses less digits than its factorization.

134468240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12419 (or 12413 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 134468240 is about 11596.0441530722. The cubic root of 134468240 is about 512.3183445035.

The spelling of 134468240 in words is "one hundred thirty-four million, four hundred sixty-eight thousand, two hundred forty".