135831306 has 16 divisors (see below), whose sum is σ = 292559904. Its totient is φ = 41794224.

The previous prime is 135831299. The next prime is 135831313. The reversal of 135831306 is 603138531.

It is an interprime number because it is at equal distance from previous prime (135831299) and next prime (135831313).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 870636 + ... + 870791.

It is an arithmetic number, because the mean of its divisors is an integer number (18284994).

Almost surely, 2^135831306 is an apocalyptic number.

135831306 is an abundant number, since it is smaller than the sum of its proper divisors (156728598).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135831306 is a wasteful number, since it uses less digits than its factorization.

135831306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1741445.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 135831306 is about 11654.6688498644. The cubic root of 135831306 is about 514.0436028154.

Adding to 135831306 its reverse (603138531), we get a palindrome (738969837).

The spelling of 135831306 in words is "one hundred thirty-five million, eight hundred thirty-one thousand, three hundred six".