136080 has 120 divisors (see below), whose sum is σ = 541632. Its totient is φ = 31104.
The previous prime is 136069. The next prime is 136093. The reversal of 136080 is 80631.
It is a tau number, because it is divible by the number of its divisors (120).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a zygodrome in base 9.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19437 + ... + 19443.
2136080 is an apocalyptic number.
136080 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 136080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (270816).
136080 is an abundant number, since it is smaller than the sum of its proper divisors (405552).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
136080 is an equidigital number, since it uses as much as digits as its factorization.
136080 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 35 (or 17 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
The square root of 136080 is about 368.8902275745. The cubic root of 136080 is about 51.4357132939.
The spelling of 136080 in words is "one hundred thirty-six thousand, eighty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.064 sec. • engine limits •