135709933 has 4 divisors (see below), whose sum is σ = 137934748. Its totient is φ = 133485120.

The previous prime is 135709921. The next prime is 135709967. The reversal of 135709933 is 339907531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 339907531 = 277 ⋅1227103.

It can be written as a sum of positive squares in 2 ways, for example, as 70778569 + 64931364 = 8413^2 + 8058^2 .

It is a cyclic number.

It is not a de Polignac number, because 135709933 - 2⁵ = 135709901 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 (135709433) 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, 1112316 + ... + 1112437.

It is an arithmetic number, because the mean of its divisors is an integer number (34483687).

Almost surely, 2^135709933 is an apocalyptic number.

It is an amenable number.

135709933 is a deficient number, since it is larger than the sum of its proper divisors (2224815).

135709933 is an equidigital number, since it uses as much as digits as its factorization.

135709933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2224814.

The product of its (nonzero) digits is 76545, while the sum is 40.

The square root of 135709933 is about 11649.4606312910. The cubic root of 135709933 is about 513.8904481204.

The spelling of 135709933 in words is "one hundred thirty-five million, seven hundred nine thousand, nine hundred thirty-three".