135843890731248 has 160 divisors (see below), whose sum is σ = 405106862295040. Its totient is φ = 38423015055360.

The previous prime is 135843890731243. The next prime is 135843890731259. The reversal of 135843890731248 is 842137098348531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135843890731243) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9544608 + ... + 19046976.

It is an arithmetic number, because the mean of its divisors is an integer number (2531917889344).

Almost surely, 2^{135843890731248} 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 135843890731248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (202553431147520).

135843890731248 is an abundant number, since it is smaller than the sum of its proper divisors (269262971563792).

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

135843890731248 is a wasteful number, since it uses less digits than its factorization.

135843890731248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9502815 (or 9502809 counting only the distinct ones).

The product of its (nonzero) digits is 139345920, while the sum is 66.

The spelling of 135843890731248 in words is "one hundred thirty-five trillion, eight hundred forty-three billion, eight hundred ninety million, seven hundred thirty-one thousand, two hundred forty-eight".