133424460 has 144 divisors (see below), whose sum is σ = 458945760. Its totient is φ = 31104000.

The previous prime is 133424419. The next prime is 133424461. The reversal of 133424460 is 64424331.

It is not an unprimeable number, because it can be changed into a prime (133424461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 42960 + ... + 45960.

Almost surely, 2^133424460 is an apocalyptic number.

133424460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133424460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229472880).

133424460 is an abundant number, since it is smaller than the sum of its proper divisors (325521300).

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

133424460 is a wasteful number, since it uses less digits than its factorization.

133424460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3048 (or 3043 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 133424460 is about 11550.9506102312. The cubic root of 133424460 is about 510.9893137983.

Adding to 133424460 its reverse (64424331), we get a palindrome (197848791).

The spelling of 133424460 in words is "one hundred thirty-three million, four hundred twenty-four thousand, four hundred sixty".