134707309 has 4 divisors (see below), whose sum is σ = 146953440. Its totient is φ = 122461180.

The previous prime is 134707301. The next prime is 134707327. The reversal of 134707309 is 903707431.

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 not a de Polignac number, because 134707309 - 2³ = 134707301 is a prime.

It is a super-3 number, since 3×134707309³ (a number of 25 digits) contains 333 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 (134707301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6123049 + ... + 6123070.

It is an arithmetic number, because the mean of its divisors is an integer number (36738360).

Almost surely, 2^134707309 is an apocalyptic number.

It is an amenable number.

134707309 is a deficient number, since it is larger than the sum of its proper divisors (12246131).

134707309 is a wasteful number, since it uses less digits than its factorization.

134707309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12246130.

The product of its (nonzero) digits is 15876, while the sum is 34.

The square root of 134707309 is about 11606.3477890334. The cubic root of 134707309 is about 512.6217790323.

The spelling of 134707309 in words is "one hundred thirty-four million, seven hundred seven thousand, three hundred nine".