133440104 has 16 divisors (see below), whose sum is σ = 285943200. Its totient is φ = 57188592.

The previous prime is 133440101. The next prime is 133440121. The reversal of 133440104 is 401044331.

It is a happy number.

It is a super-2 number, since 2×133440104² = 35612522711061632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (133440101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1191374 + ... + 1191485.

It is an arithmetic number, because the mean of its divisors is an integer number (17871450).

Almost surely, 2^133440104 is an apocalyptic number.

133440104 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

133440104 is an abundant number, since it is smaller than the sum of its proper divisors (152503096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133440104 is a wasteful number, since it uses less digits than its factorization.

133440104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2382872 (or 2382868 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 133440104 is about 11551.6277640859. The cubic root of 133440104 is about 511.0092841606.

Adding to 133440104 its reverse (401044331), we get a palindrome (534484435).

The spelling of 133440104 in words is "one hundred thirty-three million, four hundred forty thousand, one hundred four".