134981760 has 128 divisors (see below), whose sum is σ = 433540800. Its totient is φ = 35721216.

The previous prime is 134981741. The next prime is 134981771. The reversal of 134981760 is 67189431.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 439527 + ... + 439833.

Almost surely, 2^134981760 is an apocalyptic number.

134981760 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 134981760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (216770400).

134981760 is an abundant number, since it is smaller than the sum of its proper divisors (298559040).

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

134981760 is a wasteful number, since it uses less digits than its factorization.

134981760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558 (or 546 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 134981760 is about 11618.1650874826. The cubic root of 134981760 is about 512.9696792874.

The spelling of 134981760 in words is "one hundred thirty-four million, nine hundred eighty-one thousand, seven hundred sixty".