135423345 has 32 divisors (see below), whose sum is σ = 225054720. Its totient is φ = 69462720.

The previous prime is 135423331. The next prime is 135423389. The reversal of 135423345 is 543324531.

It is not a de Polignac number, because 135423345 - 2⁴ = 135423329 is a prime.

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 31 ways as a sum of consecutive naturals, for example, 82422 + ... + 84048.

It is an arithmetic number, because the mean of its divisors is an integer number (7032960).

Almost surely, 2^135423345 is an apocalyptic number.

135423345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

135423345 is a deficient number, since it is larger than the sum of its proper divisors (89631375).

135423345 is a wasteful number, since it uses less digits than its factorization.

135423345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1845.

The product of its digits is 21600, while the sum is 30.

The square root of 135423345 is about 11637.1536468331. The cubic root of 135423345 is about 513.5284539160.

Adding to 135423345 its reverse (543324531), we get a palindrome (678747876).

The spelling of 135423345 in words is "one hundred thirty-five million, four hundred twenty-three thousand, three hundred forty-five".