134723760 has 80 divisors (see below), whose sum is σ = 419973120. Its totient is φ = 35726080.

The previous prime is 134723753. The next prime is 134723767. The reversal of 134723760 is 67327431.

It is an interprime number because it is at equal distance from previous prime (134723753) and next prime (134723767).

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (134723767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44371 + ... + 47309.

It is an arithmetic number, because the mean of its divisors is an integer number (5249664).

Almost surely, 2^134723760 is an apocalyptic number.

134723760 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 134723760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (209986560).

134723760 is an abundant number, since it is smaller than the sum of its proper divisors (285249360).

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

134723760 is a wasteful number, since it uses less digits than its factorization.

134723760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3146 (or 3140 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 33.

The square root of 134723760 is about 11607.0564744038. The cubic root of 134723760 is about 512.6426459961.

The spelling of 134723760 in words is "one hundred thirty-four million, seven hundred twenty-three thousand, seven hundred sixty".