134256081 has 8 divisors (see below), whose sum is σ = 179064000. Its totient is φ = 89476112.

The previous prime is 134256079. The next prime is 134256103. The reversal of 134256081 is 180652431.

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

It is a cyclic number.

It is not a de Polignac number, because 134256081 - 2¹ = 134256079 is a prime.

It is a super-2 number, since 2×134256081² = 36049390570957122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (134256041) 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, 10420 + ... + 19418.

It is an arithmetic number, because the mean of its divisors is an integer number (22383000).

Almost surely, 2^134256081 is an apocalyptic number.

It is an amenable number.

134256081 is a deficient number, since it is larger than the sum of its proper divisors (44807919).

134256081 is an equidigital number, since it uses as much as digits as its factorization.

134256081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13975.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 134256081 is about 11586.8926378041. The cubic root of 134256081 is about 512.0487637169.

The spelling of 134256081 in words is "one hundred thirty-four million, two hundred fifty-six thousand, eighty-one".