133434340 has 48 divisors (see below), whose sum is σ = 317661120. Its totient is φ = 46673280.

The previous prime is 133434317. The next prime is 133434349. The reversal of 133434340 is 43434331.

It is not an unprimeable number, because it can be changed into a prime (133434349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8566 + ... + 18445.

It is an arithmetic number, because the mean of its divisors is an integer number (6617940).

Almost surely, 2^133434340 is an apocalyptic number.

133434340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133434340 is an abundant number, since it is smaller than the sum of its proper divisors (184226780).

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

133434340 is a wasteful number, since it uses less digits than its factorization.

133434340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27052 (or 27050 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 25.

The square root of 133434340 is about 11551.3782727430. The cubic root of 133434340 is about 511.0019263028.

Adding to 133434340 its reverse (43434331), we get a palindrome (176868671).

Subtracting from 133434340 its reverse (43434331), we obtain a palindrome (90000009).

The spelling of 133434340 in words is "one hundred thirty-three million, four hundred thirty-four thousand, three hundred forty".