134090009 has 4 divisors (see below), whose sum is σ = 134217216. Its totient is φ = 133962804.

The previous prime is 134090003. The next prime is 134090027. The reversal of 134090009 is 900090431.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134090009 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 134090009.

It is not an unprimeable number, because it can be changed into a prime (134090003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62009 + ... + 64134.

It is an arithmetic number, because the mean of its divisors is an integer number (33554304).

Almost surely, 2^134090009 is an apocalyptic number.

It is an amenable number.

134090009 is a deficient number, since it is larger than the sum of its proper divisors (127207).

134090009 is a wasteful number, since it uses less digits than its factorization.

134090009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127206.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 134090009 is about 11579.7240467984. The cubic root of 134090009 is about 511.8375453528.

The spelling of 134090009 in words is "one hundred thirty-four million, ninety thousand, nine".