135424224313421 has 8 divisors (see below), whose sum is σ = 139084699081824. Its totient is φ = 131763768523920.

The previous prime is 135424224313373. The next prime is 135424224313451. The reversal of 135424224313421 is 124313422424531.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135424224313421 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135424224313451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10360406 + ... + 19447016.

It is an arithmetic number, because the mean of its divisors is an integer number (17385587385228).

Almost surely, 2^{135424224313421} is an apocalyptic number.

It is an amenable number.

135424224313421 is a deficient number, since it is larger than the sum of its proper divisors (3660474768403).

135424224313421 is an equidigital number, since it uses as much as digits as its factorization.

135424224313421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9489451.

The product of its digits is 552960, while the sum is 41.

Adding to 135424224313421 its reverse (124313422424531), we get a palindrome (259737646737952).

The spelling of 135424224313421 in words is "one hundred thirty-five trillion, four hundred twenty-four billion, two hundred twenty-four million, three hundred thirteen thousand, four hundred twenty-one".