133214424 has 64 divisors (see below), whose sum is σ = 383581440. Its totient is φ = 37764480.

The previous prime is 133214401. The next prime is 133214443. The reversal of 133214424 is 424412331.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 133214394 and 133214403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18982 + ... + 25034.

It is an arithmetic number, because the mean of its divisors is an integer number (5993460).

Almost surely, 2^133214424 is an apocalyptic number.

133214424 is a gapful number since it is divisible by the number (14) 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 133214424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (191790720).

133214424 is an abundant number, since it is smaller than the sum of its proper divisors (250367016).

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

133214424 is a wasteful number, since it uses less digits than its factorization.

133214424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6200 (or 6196 counting only the distinct ones).

The product of its digits is 2304, while the sum is 24.

The square root of 133214424 is about 11541.8553101310. The cubic root of 133214424 is about 510.7210408539.

Adding to 133214424 its reverse (424412331), we get a palindrome (557626755).

The spelling of 133214424 in words is "one hundred thirty-three million, two hundred fourteen thousand, four hundred twenty-four".