13530040000 has 70 divisors (see below), whose sum is σ = 33550201124. Its totient is φ = 5412000000.

The previous prime is 13530039989. The next prime is 13530040003. The reversal of 13530040000 is 4003531.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (13530040003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 129126 + ... + 209125.

Almost surely, 2^13530040000 is an apocalyptic number.

13530040000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13530040000 is an abundant number, since it is smaller than the sum of its proper divisors (20020161124).

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

13530040000 is an frugal number, since it uses more digits than its factorization.

13530040000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338283 (or 338258 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 16.

Adding to 13530040000 its reverse (4003531), we get a palindrome (13534043531).

The spelling of 13530040000 in words is "thirteen billion, five hundred thirty million, forty thousand".