135329999 has 16 divisors (see below), whose sum is σ = 161782272. Its totient is φ = 110682528.

The previous prime is 135329993. The next prime is 135330007. The reversal of 135329999 is 999923531.

It is a cyclic number.

It is not a de Polignac number, because 135329999 - 2¹² = 135325903 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 (135329993) 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 15 ways as a sum of consecutive naturals, for example, 89897 + ... + 91389.

It is an arithmetic number, because the mean of its divisors is an integer number (10111392).

Almost surely, 2^135329999 is an apocalyptic number.

135329999 is a deficient number, since it is larger than the sum of its proper divisors (26452273).

135329999 is a wasteful number, since it uses less digits than its factorization.

135329999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2086.

The product of its digits is 590490, while the sum is 50.

The square root of 135329999 is about 11633.1422668168. The cubic root of 135329999 is about 513.4104367327.

The spelling of 135329999 in words is "one hundred thirty-five million, three hundred twenty-nine thousand, nine hundred ninety-nine".