135539833 has 16 divisors (see below), whose sum is σ = 159969600. Its totient is φ = 113215680.

The previous prime is 135539819. The next prime is 135539839. The reversal of 135539833 is 338935531.

It is a cyclic number.

It is not a de Polignac number, because 135539833 - 2⁵ = 135539801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135539839) 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 15 ways as a sum of consecutive naturals, for example, 30678 + ... + 34816.

It is an arithmetic number, because the mean of its divisors is an integer number (9998100).

Almost surely, 2^135539833 is an apocalyptic number.

135539833 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

135539833 is a deficient number, since it is larger than the sum of its proper divisors (24429767).

135539833 is a wasteful number, since it uses less digits than its factorization.

135539833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4392.

The product of its digits is 145800, while the sum is 40.

The square root of 135539833 is about 11642.1575749515. The cubic root of 135539833 is about 513.6756534475.

The spelling of 135539833 in words is "one hundred thirty-five million, five hundred thirty-nine thousand, eight hundred thirty-three".