135512421243124 has 24 divisors (see below), whose sum is σ = 241167867192000. Its totient is φ = 66607332462720.

The previous prime is 135512421243091. The next prime is 135512421243161. The reversal of 135512421243124 is 421342124215531.

It is a super-2 number, since 2×135512421243124² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32938044 + ... + 36823084.

It is an arithmetic number, because the mean of its divisors is an integer number (10048661133000).

Almost surely, 2^{135512421243124} is an apocalyptic number.

It is an amenable number.

135512421243124 is a deficient number, since it is larger than the sum of its proper divisors (105655445948876).

135512421243124 is a wasteful number, since it uses less digits than its factorization.

135512421243124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4032903 (or 4032901 counting only the distinct ones).

The product of its digits is 230400, while the sum is 40.

Adding to 135512421243124 its reverse (421342124215531), we get a palindrome (556854545458655).

The spelling of 135512421243124 in words is "one hundred thirty-five trillion, five hundred twelve billion, four hundred twenty-one million, two hundred forty-three thousand, one hundred twenty-four".