135421130712 has 64 divisors (see below), whose sum is σ = 391815244800. Its totient is φ = 38201978880.

The previous prime is 135421130711. The next prime is 135421130731. The reversal of 135421130712 is 217031124531.

It is a self number, because there is not a number n which added to its sum of digits gives 135421130712.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135421130711) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5088489 + ... + 5115032.

It is an arithmetic number, because the mean of its divisors is an integer number (6122113200).

Almost surely, 2^135421130712 is an apocalyptic number.

135421130712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

135421130712 is an abundant number, since it is smaller than the sum of its proper divisors (256394114088).

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

135421130712 is a wasteful number, since it uses less digits than its factorization.

135421130712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10203616 (or 10203612 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The spelling of 135421130712 in words is "one hundred thirty-five billion, four hundred twenty-one million, one hundred thirty thousand, seven hundred twelve".