135035999 has 8 divisors (see below), whose sum is σ = 154493568. Its totient is φ = 115620120.

The previous prime is 135035963. The next prime is 135036019. The reversal of 135035999 is 999530531.

135035999 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 135035999 - 2¹² = 135031903 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 (135035909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3137 + ... + 16730.

It is an arithmetic number, because the mean of its divisors is an integer number (19311696).

Almost surely, 2^135035999 is an apocalyptic number.

135035999 is a deficient number, since it is larger than the sum of its proper divisors (19457569).

135035999 is an equidigital number, since it uses as much as digits as its factorization.

135035999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20845.

The product of its (nonzero) digits is 164025, while the sum is 44.

The square root of 135035999 is about 11620.4990856675. The cubic root of 135035999 is about 513.0383780425.

The spelling of 135035999 in words is "one hundred thirty-five million, thirty-five thousand, nine hundred ninety-nine".