134548981 has 8 divisors (see below), whose sum is σ = 156291584. Its totient is φ = 113436720.

The previous prime is 134548961. The next prime is 134548993. The reversal of 134548981 is 189845431.

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 134548981 - 2⁵ = 134548949 is a prime.

It is a super-2 number, since 2×134548981² = 36206856576276722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134548961) 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, 157125 + ... + 157978.

It is an arithmetic number, because the mean of its divisors is an integer number (19536448).

Almost surely, 2^134548981 is an apocalyptic number.

It is an amenable number.

134548981 is a deficient number, since it is larger than the sum of its proper divisors (21742603).

134548981 is an equidigital number, since it uses as much as digits as its factorization.

134548981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315171.

The product of its digits is 138240, while the sum is 43.

The square root of 134548981 is about 11599.5250333796. The cubic root of 134548981 is about 512.4208639262.

The spelling of 134548981 in words is "one hundred thirty-four million, five hundred forty-eight thousand, nine hundred eighty-one".