133775800 has 24 divisors (see below), whose sum is σ = 311029200. Its totient is φ = 53510240.

The previous prime is 133775791. The next prime is 133775801. The reversal of 133775800 is 8577331.

133775800 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133775801) 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, 334240 + ... + 334639.

It is an arithmetic number, because the mean of its divisors is an integer number (12959550).

Almost surely, 2^133775800 is an apocalyptic number.

133775800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133775800 is an abundant number, since it is smaller than the sum of its proper divisors (177253400).

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

133775800 is a wasteful number, since it uses less digits than its factorization.

133775800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668895 (or 668886 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 133775800 is about 11566.1488837037. The cubic root of 133775800 is about 511.4374416060.

The spelling of 133775800 in words is "one hundred thirty-three million, seven hundred seventy-five thousand, eight hundred".