134440780005 has 48 divisors (see below), whose sum is σ = 274911796224. Its totient is φ = 59476101120.

The previous prime is 134440780003. The next prime is 134440780007. The reversal of 134440780005 is 500087044431.

134440780005 is a `hidden beast` number, since 134 + 440 + 7 + 80 + 0 + 0 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (134440780003) and next prime (134440780007).

It is not a de Polignac number, because 134440780005 - 2¹ = 134440780003 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134440780003) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 6874044 + ... + 6893573.

It is an arithmetic number, because the mean of its divisors is an integer number (5727329088).

Almost surely, 2^134440780005 is an apocalyptic number.

134440780005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

134440780005 is an abundant number, since it is smaller than the sum of its proper divisors (140471016219).

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

134440780005 is a wasteful number, since it uses less digits than its factorization.

134440780005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13767666 (or 13767663 counting only the distinct ones).

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

The spelling of 134440780005 in words is "one hundred thirty-four billion, four hundred forty million, seven hundred eighty thousand, five".