13521835747854 has 64 divisors (see below), whose sum is σ = 34341534689280. Its totient is φ = 3863340632160.

The previous prime is 13521835747843. The next prime is 13521835747891. The reversal of 13521835747854 is 45874753812531.

13521835747854 is a `hidden beast` number, since 1 + 3 + 5 + 2 + 1 + 8 + 3 + 574 + 7 + 8 + 54 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a junction number, because it is equal to n+sod(n) for n = 13521835747791 and 13521835747800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65390184 + ... + 65596644.

It is an arithmetic number, because the mean of its divisors is an integer number (536586479520).

Almost surely, 2^{13521835747854} is an apocalyptic number.

13521835747854 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

13521835747854 is an abundant number, since it is smaller than the sum of its proper divisors (20819698941426).

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

13521835747854 is a wasteful number, since it uses less digits than its factorization.

13521835747854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379742 (or 379736 counting only the distinct ones).

The product of its digits is 112896000, while the sum is 63.

The spelling of 13521835747854 in words is "thirteen trillion, five hundred twenty-one billion, eight hundred thirty-five million, seven hundred forty-seven thousand, eight hundred fifty-four".