135657812086466 has 16 divisors (see below), whose sum is σ = 207326642628600. Its totient is φ = 66548938030848.

The previous prime is 135657812086439. The next prime is 135657812086469. The reversal of 135657812086466 is 664680218756531.

It can be written as a sum of positive squares in 4 ways, for example, as 120971863635841 + 14685948450625 = 10998721^2 + 3832225^2 .

It is a junction number, because it is equal to n+sod(n) for n = 135657812086396 and 135657812086405.

It is not an unprimeable number, because it can be changed into a prime (135657812086469) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44018420 + ... + 46999328.

Almost surely, 2^{135657812086466} is an apocalyptic number.

135657812086466 is a deficient number, since it is larger than the sum of its proper divisors (71668830542134).

135657812086466 is a wasteful number, since it uses less digits than its factorization.

135657812086466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3410293.

The product of its (nonzero) digits is 348364800, while the sum is 68.

The spelling of 135657812086466 in words is "one hundred thirty-five trillion, six hundred fifty-seven billion, eight hundred twelve million, eighty-six thousand, four hundred sixty-six".