142426412133240 has 128 divisors (see below), whose sum is σ = 429781709721600. Its totient is φ = 37758180257280.

The previous prime is 142426412133199. The next prime is 142426412133311. The reversal of 142426412133240 is 42331214624241.

142426412133240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35188374 + ... + 39026586.

It is an arithmetic number, because the mean of its divisors is an integer number (3357669607200).

Almost surely, 2^{142426412133240} is an apocalyptic number.

142426412133240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142426412133240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (214890854860800).

142426412133240 is an abundant number, since it is smaller than the sum of its proper divisors (287355297588360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142426412133240 is a wasteful number, since it uses less digits than its factorization.

142426412133240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3840037 (or 3840033 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 39.

Adding to 142426412133240 its reverse (42331214624241), we get a palindrome (184757626757481).

The spelling of 142426412133240 in words is "one hundred forty-two trillion, four hundred twenty-six billion, four hundred twelve million, one hundred thirty-three thousand, two hundred forty".