133723185117 has 32 divisors (see below), whose sum is σ = 183118656000. Its totient is φ = 86771684160.

The previous prime is 133723185107. The next prime is 133723185133. The reversal of 133723185117 is 711581327331.

It is not a de Polignac number, because 133723185117 - 2¹⁰ = 133723184093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133723185107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9317367 + ... + 9331707.

It is an arithmetic number, because the mean of its divisors is an integer number (5722458000).

Almost surely, 2^133723185117 is an apocalyptic number.

It is an amenable number.

133723185117 is a deficient number, since it is larger than the sum of its proper divisors (49395470883).

133723185117 is a wasteful number, since it uses less digits than its factorization.

133723185117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14921.

The product of its digits is 105840, while the sum is 42.

The spelling of 133723185117 in words is "one hundred thirty-three billion, seven hundred twenty-three million, one hundred eighty-five thousand, one hundred seventeen".