133430120 has 16 divisors (see below), whose sum is σ = 300217860. Its totient is φ = 53372032.

The previous prime is 133430111. The next prime is 133430147. The reversal of 133430120 is 21034331.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 122367844 + 11062276 = 11062^2 + 3326^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1667837 + ... + 1667916.

Almost surely, 2^133430120 is an apocalyptic number.

133430120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133430120 is an abundant number, since it is smaller than the sum of its proper divisors (166787740).

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

133430120 is a wasteful number, since it uses less digits than its factorization.

133430120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3335764 (or 3335760 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 133430120 is about 11551.1956091134. The cubic root of 133430120 is about 510.9965392566.

Adding to 133430120 its reverse (21034331), we get a palindrome (154464451).

The spelling of 133430120 in words is "one hundred thirty-three million, four hundred thirty thousand, one hundred twenty".