135404234 has 8 divisors (see below), whose sum is σ = 232121568. Its totient is φ = 58030380.

The previous prime is 135404231. The next prime is 135404239. The reversal of 135404234 is 432404531.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (135404231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4835852 + ... + 4835879.

It is an arithmetic number, because the mean of its divisors is an integer number (29015196).

Almost surely, 2^135404234 is an apocalyptic number.

135404234 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

135404234 is a deficient number, since it is larger than the sum of its proper divisors (96717334).

135404234 is an equidigital number, since it uses as much as digits as its factorization.

135404234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9671740.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 135404234 is about 11636.3324978277. The cubic root of 135404234 is about 513.5042963283.

Adding to 135404234 its reverse (432404531), we get a palindrome (567808765).

The spelling of 135404234 in words is "one hundred thirty-five million, four hundred four thousand, two hundred thirty-four".