135730025648 has 80 divisors (see below), whose sum is σ = 311071548480. Its totient is φ = 56134729728.

The previous prime is 135730025609. The next prime is 135730025653. The reversal of 135730025648 is 846520037531.

It is a junction number, because it is equal to n+sod(n) for n = 135730025599 and 135730025608.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6853136 + ... + 6872912.

It is an arithmetic number, because the mean of its divisors is an integer number (3888394356).

Almost surely, 2^135730025648 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 135730025648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155535774240).

135730025648 is an abundant number, since it is smaller than the sum of its proper divisors (175341522832).

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

135730025648 is a wasteful number, since it uses less digits than its factorization.

135730025648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21934 (or 21928 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 44.

The spelling of 135730025648 in words is "one hundred thirty-five billion, seven hundred thirty million, twenty-five thousand, six hundred forty-eight".