133124320 has 48 divisors (see below), whose sum is σ = 359438688. Its totient is φ = 45642240.

The previous prime is 133124311. The next prime is 133124347. The reversal of 133124320 is 23421331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58311 + ... + 60550.

It is an arithmetic number, because the mean of its divisors is an integer number (7488306).

Almost surely, 2^133124320 is an apocalyptic number.

133124320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133124320 is an abundant number, since it is smaller than the sum of its proper divisors (226314368).

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

133124320 is a wasteful number, since it uses less digits than its factorization.

133124320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118883 (or 118875 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 133124320 is about 11537.9512912822. The cubic root of 133124320 is about 510.6058671701.

Adding to 133124320 its reverse (23421331), we get a palindrome (156545651).

It can be divided in two parts, 1331 and 24320, that added together give a triangular number (25651 = T₂₂₆).

The spelling of 133124320 in words is "one hundred thirty-three million, one hundred twenty-four thousand, three hundred twenty".