135424513215344 has 20 divisors (see below), whose sum is σ = 262385202726840. Its totient is φ = 67712202834240.

The previous prime is 135424513215269. The next prime is 135424513215361. The reversal of 135424513215344 is 443512315424531.

It is a super-2 number, since 2×135424513215344² (a number of 29 digits) contains 22 as substring.

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, 24329774 + ... + 29373234.

It is an arithmetic number, because the mean of its divisors is an integer number (13119260136342).

Almost surely, 2^{135424513215344} is an apocalyptic number.

It is an amenable number.

135424513215344 is a deficient number, since it is larger than the sum of its proper divisors (126960689511496).

135424513215344 is a wasteful number, since it uses less digits than its factorization.

135424513215344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6721688 (or 6721682 counting only the distinct ones).

The product of its digits is 3456000, while the sum is 47.

Adding to 135424513215344 its reverse (443512315424531), we get a palindrome (578936828639875).

The spelling of 135424513215344 in words is "one hundred thirty-five trillion, four hundred twenty-four billion, five hundred thirteen million, two hundred fifteen thousand, three hundred forty-four".