133240450 has 48 divisors (see below), whose sum is σ = 284803200. Its totient is φ = 45429120.

The previous prime is 133240439. The next prime is 133240453. The reversal of 133240450 is 54042331.

It is not an unprimeable number, because it can be changed into a prime (133240453) 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 23 ways as a sum of consecutive naturals, for example, 68694 + ... + 70606.

It is an arithmetic number, because the mean of its divisors is an integer number (5933400).

Almost surely, 2^133240450 is an apocalyptic number.

133240450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133240450 is an abundant number, since it is smaller than the sum of its proper divisors (151562750).

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

133240450 is a wasteful number, since it uses less digits than its factorization.

133240450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2131 (or 2126 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 133240450 is about 11542.9827167851. The cubic root of 133240450 is about 510.7542984143.

Adding to 133240450 its reverse (54042331), we get a palindrome (187282781).

The spelling of 133240450 in words is "one hundred thirty-three million, two hundred forty thousand, four hundred fifty".