133929120 has 192 divisors, whose sum is σ = 460615680. Its totient is φ = 32707584.

The previous prime is 133929109. The next prime is 133929127. The reversal of 133929120 is 21929331.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (133929127) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1054497 + ... + 1054623.

It is an arithmetic number, because the mean of its divisors is an integer number (2399040).

Almost surely, 2^133929120 is an apocalyptic number.

133929120 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 133929120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (230307840).

133929120 is an abundant number, since it is smaller than the sum of its proper divisors (326686560).

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

133929120 is a wasteful number, since it uses less digits than its factorization.

133929120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184 (or 150 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 30.

The square root of 133929120 is about 11572.7749481272. The cubic root of 133929120 is about 511.6327525943.

The spelling of 133929120 in words is "one hundred thirty-three million, nine hundred twenty-nine thousand, one hundred twenty".