133882810 has 12 divisors (see below), whose sum is σ = 241054938. Its totient is φ = 53538488.

The previous prime is 133882757. The next prime is 133882811. The reversal of 133882810 is 18288331.

It can be written as a sum of positive squares in only one way, i.e., 120494529 + 13388281 = 10977^2 + 3659^2 .

It is a super-2 number, since 2×133882810² = 35849213626992200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (133882811) 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 5 ways as a sum of consecutive naturals, for example, 34761 + ... + 38419.

Almost surely, 2^133882810 is an apocalyptic number.

133882810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133882810 is a deficient number, since it is larger than the sum of its proper divisors (107172128).

133882810 is an frugal number, since it uses more digits than its factorization.

133882810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7325 (or 3666 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 133882810 is about 11570.7739585561. The cubic root of 133882810 is about 511.5737750191.

It can be divided in two parts, 1338 and 82810, that added together give a palindrome (84148).

The spelling of 133882810 in words is "one hundred thirty-three million, eight hundred eighty-two thousand, eight hundred ten".