133322004 has 24 divisors (see below), whose sum is σ = 345649920. Its totient is φ = 44440632.

The previous prime is 133322003. The next prime is 133322009. The reversal of 133322004 is 400223331.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133322003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 617124 + ... + 617339.

It is an arithmetic number, because the mean of its divisors is an integer number (14402080).

Almost surely, 2^133322004 is an apocalyptic number.

It is an amenable number.

133322004 is an abundant number, since it is smaller than the sum of its proper divisors (212327916).

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

133322004 is a wasteful number, since it uses less digits than its factorization.

133322004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1234476 (or 1234468 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 133322004 is about 11546.5147988473. The cubic root of 133322004 is about 510.8584848942.

Adding to 133322004 its reverse (400223331), we get a palindrome (533545335).

The spelling of 133322004 in words is "one hundred thirty-three million, three hundred twenty-two thousand, four".