134655981 has 8 divisors (see below), whose sum is σ = 179753760. Its totient is φ = 89664432.

The previous prime is 134655967. The next prime is 134656003. The reversal of 134655981 is 189556431.

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

It is not a de Polignac number, because 134655981 - 2¹³ = 134647789 is a prime.

It is a super-2 number, since 2×134655981² = 36264466438144722, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134655901) 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, 23550 + ... + 28703.

It is an arithmetic number, because the mean of its divisors is an integer number (22469220).

Almost surely, 2^134655981 is an apocalyptic number.

It is an amenable number.

134655981 is a deficient number, since it is larger than the sum of its proper divisors (45097779).

134655981 is an equidigital number, since it uses as much as digits as its factorization.

134655981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53115.

The product of its digits is 129600, while the sum is 42.

The square root of 134655981 is about 11604.1363745864. The cubic root of 134655981 is about 512.5566620675.

The spelling of 134655981 in words is "one hundred thirty-four million, six hundred fifty-five thousand, nine hundred eighty-one".