135450425012 has 72 divisors (see below), whose sum is σ = 282300058656. Its totient is φ = 56670207552.

The previous prime is 135450424997. The next prime is 135450425053. The reversal of 135450425012 is 210524054531.

It is a self number, because there is not a number n which added to its sum of digits gives 135450425012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23957978 + ... + 23963630.

It is an arithmetic number, because the mean of its divisors is an integer number (3920834148).

Almost surely, 2^135450425012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 135450425012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141150029328).

135450425012 is an abundant number, since it is smaller than the sum of its proper divisors (146849633644).

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

135450425012 is a wasteful number, since it uses less digits than its factorization.

135450425012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8557 (or 8548 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 32.

Adding to 135450425012 its reverse (210524054531), we get a palindrome (345974479543).

The spelling of 135450425012 in words is "one hundred thirty-five billion, four hundred fifty million, four hundred twenty-five thousand, twelve".