133341420 has 96 divisors (see below), whose sum is σ = 389188800. Its totient is φ = 34069504.

The previous prime is 133341379. The next prime is 133341463. The reversal of 133341420 is 24143331.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 342586 + ... + 342974.

It is an arithmetic number, because the mean of its divisors is an integer number (4054050).

Almost surely, 2^133341420 is an apocalyptic number.

133341420 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 133341420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194594400).

133341420 is an abundant number, since it is smaller than the sum of its proper divisors (255847380).

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

133341420 is a wasteful number, since it uses less digits than its factorization.

133341420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627 (or 625 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 133341420 is about 11547.3555414216. The cubic root of 133341420 is about 510.8832828685.

Adding to 133341420 its reverse (24143331), we get a palindrome (157484751).

It can be divided in two parts, 13 and 3341420, that added together give a palindrome (3341433).

The spelling of 133341420 in words is "one hundred thirty-three million, three hundred forty-one thousand, four hundred twenty".