133133004 has 24 divisors (see below), whose sum is σ = 345159920. Its totient is φ = 44377632.

The previous prime is 133132991. The next prime is 133133029. The reversal of 133133004 is 400331331.

133133004 is a `hidden beast` number, since 1 + 331 + 330 + 0 + 4 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 616249 + ... + 616464.

Almost surely, 2^133133004 is an apocalyptic number.

It is an amenable number.

133133004 is an abundant number, since it is smaller than the sum of its proper divisors (212026916).

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

133133004 is a wasteful number, since it uses less digits than its factorization.

133133004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1232726 (or 1232718 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 133133004 is about 11538.3276084535. The cubic root of 133133004 is about 510.6169695866.

Adding to 133133004 its reverse (400331331), we get a palindrome (533464335).

The spelling of 133133004 in words is "one hundred thirty-three million, one hundred thirty-three thousand, four".