13127705232534 has 12 divisors (see below), whose sum is σ = 28443361337196. Its totient is φ = 4375901744172.

The previous prime is 13127705232527. The next prime is 13127705232539. The reversal of 13127705232534 is 43523250772131.

13127705232534 is a `hidden beast` number, since 1 + 3 + 1 + 2 + 7 + 70 + 523 + 2 + 53 + 4 = 666.

It is a super-2 number, since 2×13127705232534² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13127705232534.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13127705232539) 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, 364658478664 + ... + 364658478699.

It is an arithmetic number, because the mean of its divisors is an integer number (2370280111433).

Almost surely, 2^{13127705232534} is an apocalyptic number.

13127705232534 is an abundant number, since it is smaller than the sum of its proper divisors (15315656104662).

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

13127705232534 is a wasteful number, since it uses less digits than its factorization.

13127705232534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729316957371 (or 729316957368 counting only the distinct ones).

The product of its (nonzero) digits is 1058400, while the sum is 45.

The spelling of 13127705232534 in words is "thirteen trillion, one hundred twenty-seven billion, seven hundred five million, two hundred thirty-two thousand, five hundred thirty-four".