135285707 has 4 divisors (see below), whose sum is σ = 135334416. Its totient is φ = 135237000.

The previous prime is 135285673. The next prime is 135285713. The reversal of 135285707 is 707582531.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135285707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135285107) 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 3 ways as a sum of consecutive naturals, for example, 19919 + ... + 25832.

It is an arithmetic number, because the mean of its divisors is an integer number (33833604).

Almost surely, 2^135285707 is an apocalyptic number.

135285707 is a deficient number, since it is larger than the sum of its proper divisors (48709).

135285707 is an equidigital number, since it uses as much as digits as its factorization.

135285707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48708.

The product of its (nonzero) digits is 58800, while the sum is 38.

The square root of 135285707 is about 11631.2384121382. The cubic root of 135285707 is about 513.3544194502.

The spelling of 135285707 in words is "one hundred thirty-five million, two hundred eighty-five thousand, seven hundred seven".