135686362556715 has 64 divisors (see below), whose sum is σ = 230007556247040. Its totient is φ = 68112477987840.

The previous prime is 135686362556623. The next prime is 135686362556743. The reversal of 135686362556715 is 517655263686531.

It is not a de Polignac number, because 135686362556715 - 2¹² = 135686362552619 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 135686362556715.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 381810460 + ... + 382165670.

It is an arithmetic number, because the mean of its divisors is an integer number (3593868066360).

Almost surely, 2^{135686362556715} is an apocalyptic number.

135686362556715 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

135686362556715 is a deficient number, since it is larger than the sum of its proper divisors (94321193690325).

135686362556715 is a wasteful number, since it uses less digits than its factorization.

135686362556715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363932.

The product of its digits is 816480000, while the sum is 69.

The spelling of 135686362556715 in words is "one hundred thirty-five trillion, six hundred eighty-six billion, three hundred sixty-two million, five hundred fifty-six thousand, seven hundred fifteen".