13481493120 has 128 divisors (see below), whose sum is σ = 47747016000. Its totient is φ = 3595060224.

The previous prime is 13481493013. The next prime is 13481493127. The reversal of 13481493120 is 2139418431.

13481493120 is a `hidden beast` number, since 1 + 3 + 48 + 1 + 493 + 120 = 666.

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

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

It is not an unprimeable number, because it can be changed into a prime (13481493127) 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 15 ways as a sum of consecutive naturals, for example, 372810 + ... + 407369.

Almost surely, 2^13481493120 is an apocalyptic number.

13481493120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13481493120 is an abundant number, since it is smaller than the sum of its proper divisors (34265522880).

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

13481493120 is an equidigital number, since it uses as much as digits as its factorization.

13481493120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 780207 (or 780189 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The spelling of 13481493120 in words is "thirteen billion, four hundred eighty-one million, four hundred ninety-three thousand, one hundred twenty".