133020230 has 32 divisors (see below), whose sum is σ = 274821120. Its totient is φ = 45410400.

The previous prime is 133020229. The next prime is 133020241. The reversal of 133020230 is 32020331.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 12755 + ... + 20705.

It is an arithmetic number, because the mean of its divisors is an integer number (8588160).

Almost surely, 2^133020230 is an apocalyptic number.

133020230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133020230 is an abundant number, since it is smaller than the sum of its proper divisors (141800890).

133020230 is a wasteful number, since it uses less digits than its factorization.

133020230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8204.

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 133020230 is about 11533.4396430553. The cubic root of 133020230 is about 510.4727514400.

Adding to 133020230 its reverse (32020331), we get a palindrome (165040561).

The spelling of 133020230 in words is "one hundred thirty-three million, twenty thousand, two hundred thirty".