134140009 has 4 divisors (see below), whose sum is σ = 134182980. Its totient is φ = 134097040.

The previous prime is 134140003. The next prime is 134140031. The reversal of 134140009 is 900041431.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 115025625 + 19114384 = 10725^2 + 4372^2 .

It is a cyclic number.

It is not a de Polignac number, because 134140009 - 2¹⁷ = 134008937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134140003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16402 + ... + 23179.

It is an arithmetic number, because the mean of its divisors is an integer number (33545745).

Almost surely, 2^134140009 is an apocalyptic number.

It is an amenable number.

134140009 is a deficient number, since it is larger than the sum of its proper divisors (42971).

134140009 is an equidigital number, since it uses as much as digits as its factorization.

134140009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42970.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 134140009 is about 11581.8827916708. The cubic root of 134140009 is about 511.9011561000.

The spelling of 134140009 in words is "one hundred thirty-four million, one hundred forty thousand, nine".