133718460885 has 24 divisors (see below), whose sum is σ = 232080128280. Its totient is φ = 71223754752.

The previous prime is 133718460859. The next prime is 133718460899. The reversal of 133718460885 is 588064817331.

It is a happy number.

133718460885 is a `hidden beast` number, since 1 + 33 + 71 + 8 + 460 + 8 + 85 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 34060178916 + 99658281969 = 184554^2 + 315687^2 .

It is not a de Polignac number, because 133718460885 - 2⁵ = 133718460853 is a prime.

It is a congruent number.

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, 1897464 + ... + 1966673.

It is an arithmetic number, because the mean of its divisors is an integer number (9670005345).

Almost surely, 2^133718460885 is an apocalyptic number.

133718460885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

133718460885 is a deficient number, since it is larger than the sum of its proper divisors (98361667395).

133718460885 is a wasteful number, since it uses less digits than its factorization.

133718460885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3864917 (or 3864914 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 54.

The spelling of 133718460885 in words is "one hundred thirty-three billion, seven hundred eighteen million, four hundred sixty thousand, eight hundred eighty-five".