133473400 has 24 divisors (see below), whose sum is σ = 310326120. Its totient is φ = 53389280.

The previous prime is 133473391. The next prime is 133473401. The reversal of 133473400 is 4374331.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133473401) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 333484 + ... + 333883.

It is an arithmetic number, because the mean of its divisors is an integer number (12930255).

Almost surely, 2^133473400 is an apocalyptic number.

133473400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133473400 is an abundant number, since it is smaller than the sum of its proper divisors (176852720).

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

133473400 is a wasteful number, since it uses less digits than its factorization.

133473400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667383 (or 667374 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 25.

The square root of 133473400 is about 11553.0688563689. The cubic root of 133473400 is about 511.0517830037.

The spelling of 133473400 in words is "one hundred thirty-three million, four hundred seventy-three thousand, four hundred".