134881 has 8 divisors (see below), whose sum is σ = 147200. Its totient is φ = 123120.

The previous prime is 134873. The next prime is 134887. The reversal of 134881 is 188431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 134881 - 2³ = 134873 is a prime.

It is a super-2 number, since 2×134881² = 36385768322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 475 + ... + 703.

It is an arithmetic number, because the mean of its divisors is an integer number (18400).

2¹³⁴⁸⁸¹ is an apocalyptic number.

It is an amenable number.

134881 is a deficient number, since it is larger than the sum of its proper divisors (12319).

134881 is a wasteful number, since it uses less digits than its factorization.

134881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279.

The product of its digits is 768, while the sum is 25.

The square root of 134881 is about 367.2614872267. The cubic root of 134881 is about 51.2842008479.

The spelling of 134881 in words is "one hundred thirty-four thousand, eight hundred eighty-one".