134450081280 has 160 divisors (see below), whose sum is σ = 477578138400. Its totient is φ = 35853336576.

The previous prime is 134450081279. The next prime is 134450081299. The reversal of 134450081280 is 82180054431.

134450081280 is a `hidden beast` number, since 13 + 44 + 500 + 81 + 28 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (160).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 903465 + ... + 1041704.

It is an arithmetic number, because the mean of its divisors is an integer number (2984863365).

Almost surely, 2^134450081280 is an apocalyptic number.

134450081280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134450081280 is an abundant number, since it is smaller than the sum of its proper divisors (343128057120).

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

134450081280 is an equidigital number, since it uses as much as digits as its factorization.

134450081280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1945201 (or 1945179 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The spelling of 134450081280 in words is "one hundred thirty-four billion, four hundred fifty million, eighty-one thousand, two hundred eighty".