134309999 has 8 divisors (see below), whose sum is σ = 136698720. Its totient is φ = 131936256.

The previous prime is 134309971. The next prime is 134310053. The reversal of 134309999 is 999903431.

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 134309999 - 2⁸ = 134309743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134309939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15182 + ... + 22340.

It is an arithmetic number, because the mean of its divisors is an integer number (17087340).

Almost surely, 2^134309999 is an apocalyptic number.

134309999 is a deficient number, since it is larger than the sum of its proper divisors (2388721).

134309999 is an equidigital number, since it uses as much as digits as its factorization.

134309999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7489.

The product of its (nonzero) digits is 236196, while the sum is 47.

The square root of 134309999 is about 11589.2190849945. The cubic root of 134309999 is about 512.1173017673.

The spelling of 134309999 in words is "one hundred thirty-four million, three hundred nine thousand, nine hundred ninety-nine".