13158281563434 has 24 divisors (see below), whose sum is σ = 32582411490720. Its totient is φ = 3759509018088.

The previous prime is 13158281563417. The next prime is 13158281563451. The reversal of 13158281563434 is 43436518285131.

It is a happy number.

13158281563434 is a `hidden beast` number, since 1 + 3 + 1 + 5 + 82 + 81 + 56 + 3 + 434 = 666.

It is an interprime number because it is at equal distance from previous prime (13158281563417) and next prime (13158281563451).

It is a super-4 number, since 4×13158281563434⁴ (a number of 54 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52215402904 + ... + 52215403155.

It is an arithmetic number, because the mean of its divisors is an integer number (1357600478780).

Almost surely, 2^{13158281563434} is an apocalyptic number.

13158281563434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

13158281563434 is an abundant number, since it is smaller than the sum of its proper divisors (19424129927286).

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

13158281563434 is a wasteful number, since it uses less digits than its factorization.

13158281563434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104430806074 (or 104430806071 counting only the distinct ones).

The product of its digits is 8294400, while the sum is 54.

The spelling of 13158281563434 in words is "thirteen trillion, one hundred fifty-eight billion, two hundred eighty-one million, five hundred sixty-three thousand, four hundred thirty-four".