13457890134685 has 8 divisors (see below), whose sum is σ = 16151325969240. Its totient is φ = 10765073569344.

The previous prime is 13457890134679. The next prime is 13457890134719. The reversal of 13457890134685 is 58643109875431.

13457890134685 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1101582490969 + 12356307643716 = 1049563^2 + 3515154^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13457890134685 - 2⁹ = 13457890134173 is a prime.

It is a super-2 number, since 2×13457890134685² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154769490 + ... + 154856419.

It is an arithmetic number, because the mean of its divisors is an integer number (2018915746155).

Almost surely, 2^{13457890134685} is an apocalyptic number.

It is an amenable number.

13457890134685 is a deficient number, since it is larger than the sum of its proper divisors (2693435834555).

13457890134685 is an equidigital number, since it uses as much as digits as its factorization.

13457890134685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309634607.

The product of its (nonzero) digits is 87091200, while the sum is 64.

The spelling of 13457890134685 in words is "thirteen trillion, four hundred fifty-seven billion, eight hundred ninety million, one hundred thirty-four thousand, six hundred eighty-five".