13230913536 has 144 divisors (see below), whose sum is σ = 38308331880. Its totient is φ = 4399349760.

The previous prime is 13230913529. The next prime is 13230913541. The reversal of 13230913536 is 63531903231.

13230913536 is a `hidden beast` number, since 1 + 3 + 2 + 30 + 91 + 3 + 536 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 13230913536.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11298231 + ... + 11299401.

Almost surely, 2^13230913536 is an apocalyptic number.

13230913536 is a gapful number since it is divisible by the number (16) 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 13230913536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19154165940).

13230913536 is an abundant number, since it is smaller than the sum of its proper divisors (25077418344).

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

13230913536 is a wasteful number, since it uses less digits than its factorization.

13230913536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1812 (or 1789 counting only the distinct ones).

The product of its (nonzero) digits is 43740, while the sum is 36.

The spelling of 13230913536 in words is "thirteen billion, two hundred thirty million, nine hundred thirteen thousand, five hundred thirty-six".