133872480 has 384 divisors, whose sum is σ = 566092800. Its totient is φ = 28864512.

The previous prime is 133872469. The next prime is 133872533. The reversal of 133872480 is 84278331.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 63 ways as a sum of consecutive naturals, for example, 574444 + ... + 574676.

It is an arithmetic number, because the mean of its divisors is an integer number (1474200).

Almost surely, 2^133872480 is an apocalyptic number.

133872480 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 133872480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (283046400).

133872480 is an abundant number, since it is smaller than the sum of its proper divisors (432220320).

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

133872480 is a wasteful number, since it uses less digits than its factorization.

133872480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283 (or 269 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 133872480 is about 11570.3275666681. The cubic root of 133872480 is about 511.5606175096.

The spelling of 133872480 in words is "one hundred thirty-three million, eight hundred seventy-two thousand, four hundred eighty".