135423113 has 24 divisors (see below), whose sum is σ = 161834400. Its totient is φ = 112952448.

The previous prime is 135423107. The next prime is 135423131. The reversal of 135423113 is 311324531.

It is a de Polignac number, because none of the positive numbers 2^k-135423113 is a prime.

It is a super-2 number, since 2×135423113² = 36678839069221538, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (135423313) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 401681 + ... + 402017.

It is an arithmetic number, because the mean of its divisors is an integer number (6743100).

Almost surely, 2^135423113 is an apocalyptic number.

It is an amenable number.

135423113 is a deficient number, since it is larger than the sum of its proper divisors (26411287).

135423113 is a wasteful number, since it uses less digits than its factorization.

135423113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549 (or 542 counting only the distinct ones).

The product of its digits is 1080, while the sum is 23.

The square root of 135423113 is about 11637.1436787555. The cubic root of 135423113 is about 513.5281606660.

Adding to 135423113 its reverse (311324531), we get a palindrome (446747644).

The spelling of 135423113 in words is "one hundred thirty-five million, four hundred twenty-three thousand, one hundred thirteen".