133054320 has 160 divisors (see below), whose sum is σ = 487825920. Its totient is φ = 29352960.

The previous prime is 133054319. The next prime is 133054351. The reversal of 133054320 is 23450331.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47355 + ... + 50085.

It is an arithmetic number, because the mean of its divisors is an integer number (3048912).

Almost surely, 2^133054320 is an apocalyptic number.

133054320 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 133054320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (243912960).

133054320 is an abundant number, since it is smaller than the sum of its proper divisors (354771600).

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

133054320 is a wasteful number, since it uses less digits than its factorization.

133054320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2783 (or 2777 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 133054320 is about 11534.9174249320. The cubic root of 133054320 is about 510.5163551579.

The spelling of 133054320 in words is "one hundred thirty-three million, fifty-four thousand, three hundred twenty".