135423806 has 8 divisors (see below), whose sum is σ = 232155120. Its totient is φ = 58038768.

The previous prime is 135423803. The next prime is 135423857. The reversal of 135423806 is 608324531.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135423803) 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, 4836551 + ... + 4836578.

It is an arithmetic number, because the mean of its divisors is an integer number (29019390).

Almost surely, 2^135423806 is an apocalyptic number.

135423806 is a deficient number, since it is larger than the sum of its proper divisors (96731314).

135423806 is an equidigital number, since it uses as much as digits as its factorization.

135423806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9673138.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 135423806 is about 11637.1734540652. The cubic root of 135423806 is about 513.5290366229.

The spelling of 135423806 in words is "one hundred thirty-five million, four hundred twenty-three thousand, eight hundred six".