134490240 has 256 divisors, whose sum is σ = 490089600. Its totient is φ = 34836480.

The previous prime is 134490221. The next prime is 134490241. The reversal of 134490240 is 42094431.

134490240 is a `hidden beast` number, since 134 + 490 + 2 + 40 = 666.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (134490241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 742950 + ... + 743130.

Almost surely, 2^134490240 is an apocalyptic number.

134490240 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 134490240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (245044800).

134490240 is an abundant number, since it is smaller than the sum of its proper divisors (355599360).

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

134490240 is a wasteful number, since it uses less digits than its factorization.

134490240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252 (or 234 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 134490240 is about 11596.9927136305. The cubic root of 134490240 is about 512.3462826718.

The spelling of 134490240 in words is "one hundred thirty-four million, four hundred ninety thousand, two hundred forty".