134109081 has 16 divisors (see below), whose sum is σ = 199835520. Its totient is φ = 88886160.

The previous prime is 134109071. The next prime is 134109083. The reversal of 134109081 is 180901431.

It is not a de Polignac number, because 134109081 - 2¹⁰ = 134108057 is a prime.

It is a super-2 number, since 2×134109081² = 35970491213329122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (134109083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9685 + ... + 19026.

It is an arithmetic number, because the mean of its divisors is an integer number (12489720).

Almost surely, 2^134109081 is an apocalyptic number.

It is an amenable number.

134109081 is a deficient number, since it is larger than the sum of its proper divisors (65726439).

134109081 is a wasteful number, since it uses less digits than its factorization.

134109081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28893 (or 28887 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 134109081 is about 11580.5475259160. The cubic root of 134109081 is about 511.8618109014.

The spelling of 134109081 in words is "one hundred thirty-four million, one hundred nine thousand, eighty-one".