135142525031420 has 24 divisors (see below), whose sum is σ = 283802133665904. Its totient is φ = 54056470755456.

The previous prime is 135142525031407. The next prime is 135142525031443. The reversal of 135142525031420 is 24130525241531.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31645514 + ... + 35661233.

It is an arithmetic number, because the mean of its divisors is an integer number (11825088902746).

Almost surely, 2^{135142525031420} is an apocalyptic number.

135142525031420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135142525031420 is an abundant number, since it is smaller than the sum of its proper divisors (148659608634484).

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

135142525031420 is a wasteful number, since it uses less digits than its factorization.

135142525031420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67407149 (or 67407147 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 38.

The spelling of 135142525031420 in words is "one hundred thirty-five trillion, one hundred forty-two billion, five hundred twenty-five million, thirty-one thousand, four hundred twenty".