13133524240 has 20 divisors (see below), whose sum is σ = 30535444044. Its totient is φ = 5253409664.

The previous prime is 13133524213. The next prime is 13133524277. The reversal of 13133524240 is 4242533131.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2927675664 + 10205848576 = 54108^2 + 101024^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 13133524199 and 13133524208.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82084447 + ... + 82084606.

Almost surely, 2^13133524240 is an apocalyptic number.

13133524240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13133524240 is an abundant number, since it is smaller than the sum of its proper divisors (17401919804).

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

13133524240 is a wasteful number, since it uses less digits than its factorization.

13133524240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164169066 (or 164169060 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The spelling of 13133524240 in words is "thirteen billion, one hundred thirty-three million, five hundred twenty-four thousand, two hundred forty".