133101685 has 8 divisors (see below), whose sum is σ = 160234200. Its totient is φ = 106139904.

The previous prime is 133101679. The next prime is 133101701. The reversal of 133101685 is 586101331.

It can be written as a sum of positive squares in 4 ways, for example, as 253009 + 132848676 = 503^2 + 11526^2 .

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 133101685 - 2¹⁵ = 133068917 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40960 + ... + 44089.

It is an arithmetic number, because the mean of its divisors is an integer number (20029275).

Almost surely, 2^133101685 is an apocalyptic number.

It is an amenable number.

133101685 is a deficient number, since it is larger than the sum of its proper divisors (27132515).

133101685 is an equidigital number, since it uses as much as digits as its factorization.

133101685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85367.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 133101685 is about 11536.9703562070. The cubic root of 133101685 is about 510.5769262550.

The spelling of 133101685 in words is "one hundred thirty-three million, one hundred one thousand, six hundred eighty-five".