13504541436 has 18 divisors (see below), whose sum is σ = 34136479832. Its totient is φ = 4501513800.

The previous prime is 13504541387. The next prime is 13504541437. The reversal of 13504541436 is 63414540531.

13504541436 is a `hidden beast` number, since 1 + 3 + 504 + 5 + 4 + 143 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 375126151 = 13504541436 / (1 + 3 + 5 + 0 + 4 + 5 + 4 + 1 + 4 + 3 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 13504541436.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13504541437) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 187563040 + ... + 187563111.

Almost surely, 2^13504541436 is an apocalyptic number.

It is an amenable number.

13504541436 is an abundant number, since it is smaller than the sum of its proper divisors (20631938396).

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

13504541436 is a wasteful number, since it uses less digits than its factorization.

13504541436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375126161 (or 375126156 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The spelling of 13504541436 in words is "thirteen billion, five hundred four million, five hundred forty-one thousand, four hundred thirty-six".