134805240 has 96 divisors (see below), whose sum is σ = 463909680. Its totient is φ = 33831936.

The previous prime is 134805221. The next prime is 134805241. The reversal of 134805240 is 42508431.

134805240 is a `hidden beast` number, since 134 + 8 + 0 + 524 + 0 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134805241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4894 + ... + 17133.

Almost surely, 2^134805240 is an apocalyptic number.

134805240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134805240 is an abundant number, since it is smaller than the sum of its proper divisors (329104440).

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

134805240 is a wasteful number, since it uses less digits than its factorization.

134805240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22061 (or 22054 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 134805240 is about 11610.5658776823. The cubic root of 134805240 is about 512.7459727462.

The spelling of 134805240 in words is "one hundred thirty-four million, eight hundred five thousand, two hundred forty".