134460240 has 80 divisors (see below), whose sum is σ = 431222400. Its totient is φ = 34617856.

The previous prime is 134460229. The next prime is 134460241. The reversal of 134460240 is 42064431.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×134460240² = 36159112281715200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 134460240.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134460241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2700 + ... + 16619.

It is an arithmetic number, because the mean of its divisors is an integer number (5390280).

Almost surely, 2^134460240 is an apocalyptic number.

134460240 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 134460240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (215611200).

134460240 is an abundant number, since it is smaller than the sum of its proper divisors (296762160).

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

134460240 is a wasteful number, since it uses less digits than its factorization.

134460240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19364 (or 19358 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 134460240 is about 11595.6992027217. The cubic root of 134460240 is about 512.3081844140.

The spelling of 134460240 in words is "one hundred thirty-four million, four hundred sixty thousand, two hundred forty".