135665700786 has 48 divisors (see below), whose sum is σ = 366473585088. Its totient is φ = 35237844000.

The previous prime is 135665700773. The next prime is 135665700803. The reversal of 135665700786 is 687007566531.

135665700786 is a `hidden beast` number, since 1 + 3 + 5 + 66 + 570 + 0 + 7 + 8 + 6 = 666.

It is a super-3 number, since 3×135665700786³ (a number of 34 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48940065 + ... + 48942836.

It is an arithmetic number, because the mean of its divisors is an integer number (7634866356).

Almost surely, 2^135665700786 is an apocalyptic number.

135665700786 is an abundant number, since it is smaller than the sum of its proper divisors (230807884302).

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

135665700786 is a wasteful number, since it uses less digits than its factorization.

135665700786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97882927 (or 97882924 counting only the distinct ones).

The product of its (nonzero) digits is 6350400, while the sum is 54.

The spelling of 135665700786 in words is "one hundred thirty-five billion, six hundred sixty-five million, seven hundred thousand, seven hundred eighty-six".