133934400 has 252 divisors, whose sum is σ = 486424224. Its totient is φ = 34944000.

The previous prime is 133934393. The next prime is 133934417. The reversal of 133934400 is 4439331.

133934400 is a `hidden beast` number, since 133 + 93 + 440 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1022335 + ... + 1022465.

Almost surely, 2^133934400 is an apocalyptic number.

133934400 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 133934400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (243212112).

133934400 is an abundant number, since it is smaller than the sum of its proper divisors (352489824).

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

133934400 is a wasteful number, since it uses less digits than its factorization.

133934400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230 (or 212 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 133934400 is about 11573.0030674843. The cubic root of 133934400 is about 511.6394760149.

The spelling of 133934400 in words is "one hundred thirty-three million, nine hundred thirty-four thousand, four hundred".