135235121342 has 8 divisors (see below), whose sum is σ = 202864062600. Its totient is φ = 67613767144.

The previous prime is 135235121327. The next prime is 135235121369. The reversal of 135235121342 is 243121532531.

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

It is a junction number, because it is equal to n+sod(n) for n = 135235121299 and 135235121308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1851992 + ... + 1923627.

It is an arithmetic number, because the mean of its divisors is an integer number (25358007825).

Almost surely, 2^135235121342 is an apocalyptic number.

135235121342 is a deficient number, since it is larger than the sum of its proper divisors (67628941258).

135235121342 is a wasteful number, since it uses less digits than its factorization.

135235121342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3793530.

The product of its digits is 21600, while the sum is 32.

Adding to 135235121342 its reverse (243121532531), we get a palindrome (378356653873).

The spelling of 135235121342 in words is "one hundred thirty-five billion, two hundred thirty-five million, one hundred twenty-one thousand, three hundred forty-two".