133273604 has 6 divisors (see below), whose sum is σ = 233228814. Its totient is φ = 66636800.

The previous prime is 133273601. The next prime is 133273631. The reversal of 133273604 is 406372331.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 85525504 + 47748100 = 9248^2 + 6910^2 .

It is not an unprimeable number, because it can be changed into a prime (133273601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16659197 + ... + 16659204.

It is an arithmetic number, because the mean of its divisors is an integer number (38871469).

Almost surely, 2^133273604 is an apocalyptic number.

It is an amenable number.

133273604 is a deficient number, since it is larger than the sum of its proper divisors (99955210).

133273604 is a wasteful number, since it uses less digits than its factorization.

133273604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33318405 (or 33318403 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 29.

The square root of 133273604 is about 11544.4187380743. The cubic root of 133273604 is about 510.7966582825.

The spelling of 133273604 in words is "one hundred thirty-three million, two hundred seventy-three thousand, six hundred four".