133323053400 has 72 divisors (see below), whose sum is σ = 447743260380. Its totient is φ = 35552813760.

The previous prime is 133323053399. The next prime is 133323053419. The reversal of 133323053400 is 4350323331.

It is a happy number.

133323053400 is a `hidden beast` number, since 13 + 3 + 3 + 2 + 305 + 340 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 37032382 + ... + 37035981.

Almost surely, 2^133323053400 is an apocalyptic number.

133323053400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133323053400 is an abundant number, since it is smaller than the sum of its proper divisors (314420206980).

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

133323053400 is a wasteful number, since it uses less digits than its factorization.

133323053400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74068385 (or 74068373 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 27.

Adding to 133323053400 its reverse (4350323331), we get a palindrome (137673376731).

The spelling of 133323053400 in words is "one hundred thirty-three billion, three hundred twenty-three million, fifty-three thousand, four hundred".