134780544 has 128 divisors (see below), whose sum is σ = 405144000. Its totient is φ = 44098560.

The previous prime is 134780543. The next prime is 134780549. The reversal of 134780544 is 445087431.

134780544 is a `hidden beast` number, since 1 + 34 + 7 + 80 + 544 = 666.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 134780499 and 134780508.

It is not an unprimeable number, because it can be changed into a prime (134780543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 203574 + ... + 204234.

Almost surely, 2^134780544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 134780544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (202572000).

134780544 is an abundant number, since it is smaller than the sum of its proper divisors (270363456).

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

134780544 is an equidigital number, since it uses as much as digits as its factorization.

134780544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 743 (or 725 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 134780544 is about 11609.5023149143. The cubic root of 134780544 is about 512.7146595523.

The spelling of 134780544 in words is "one hundred thirty-four million, seven hundred eighty thousand, five hundred forty-four".