135589049472 has 128 divisors (see below), whose sum is σ = 378689541120. Its totient is φ = 42900915200.

The previous prime is 135589049443. The next prime is 135589049501. The reversal of 135589049472 is 274940985531.

It is an interprime number because it is at equal distance from previous prime (135589049443) and next prime (135589049501).

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1098397 + ... + 1215587.

It is an arithmetic number, because the mean of its divisors is an integer number (2958512040).

Almost surely, 2^135589049472 is an apocalyptic number.

135589049472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 135589049472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189344770560).

135589049472 is an abundant number, since it is smaller than the sum of its proper divisors (243100491648).

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

135589049472 is a wasteful number, since it uses less digits than its factorization.

135589049472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117362 (or 117350 counting only the distinct ones).

The product of its (nonzero) digits is 10886400, while the sum is 57.

The spelling of 135589049472 in words is "one hundred thirty-five billion, five hundred eighty-nine million, forty-nine thousand, four hundred seventy-two".