135703906 has 8 divisors (see below), whose sum is σ = 219214044. Its totient is φ = 62632560.

The previous prime is 135703889. The next prime is 135703913. The reversal of 135703906 is 609307531.

It can be written as a sum of positive squares in 2 ways, for example, as 98188281 + 37515625 = 9909^2 + 6125^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2609665 + ... + 2609716.

Almost surely, 2^135703906 is an apocalyptic number.

135703906 is a deficient number, since it is larger than the sum of its proper divisors (83510138).

135703906 is a wasteful number, since it uses less digits than its factorization.

135703906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5219396.

The product of its (nonzero) digits is 17010, while the sum is 34.

The square root of 135703906 is about 11649.2019469146. The cubic root of 135703906 is about 513.8828405623.

The spelling of 135703906 in words is "one hundred thirty-five million, seven hundred three thousand, nine hundred six".