133883856285 has 16 divisors (see below), whose sum is σ = 214218720960. Its totient is φ = 71403206400.

The previous prime is 133883856259. The next prime is 133883856287. The reversal of 133883856285 is 582658388331.

It is not a de Polignac number, because 133883856285 - 2²¹ = 133881759133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133883856287) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1251381 + ... + 1354149.

It is an arithmetic number, because the mean of its divisors is an integer number (13388670060).

Almost surely, 2^133883856285 is an apocalyptic number.

133883856285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

133883856285 is a deficient number, since it is larger than the sum of its proper divisors (80334864675).

133883856285 is a wasteful number, since it uses less digits than its factorization.

133883856285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189628.

The product of its digits is 33177600, while the sum is 60.

The spelling of 133883856285 in words is "one hundred thirty-three billion, eight hundred eighty-three million, eight hundred fifty-six thousand, two hundred eighty-five".