133855558331 has 8 divisors (see below), whose sum is σ = 146038561200. Its totient is φ = 121674941440.

The previous prime is 133855558313. The next prime is 133855558357.

133855558331 is nontrivially palindromic in base 10.

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 133855558331 - 2³⁰ = 132781816507 is a prime.

It is a super-2 number, since 2×133855558331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 133855558331.

It is not an unprimeable number, because it can be changed into a prime (133855552331) 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 7 ways as a sum of consecutive naturals, for example, 478166 + ... + 704523.

It is an arithmetic number, because the mean of its divisors is an integer number (18254820150).

Almost surely, 2^133855558331 is an apocalyptic number.

133855558331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

133855558331 is a deficient number, since it is larger than the sum of its proper divisors (12183002869).

133855558331 is a wasteful number, since it uses less digits than its factorization.

133855558331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1192989.

The product of its digits is 3240000, while the sum is 50.

The spelling of 133855558331 in words is "one hundred thirty-three billion, eight hundred fifty-five million, five hundred fifty-eight thousand, three hundred thirty-one".