133204435 has 48 divisors (see below), whose sum is σ = 209192256. Its totient is φ = 79276032.

The previous prime is 133204433. The next prime is 133204447. The reversal of 133204435 is 534402331.

It is not a de Polignac number, because 133204435 - 2¹ = 133204433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133204433) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 130989 + ... + 132001.

It is an arithmetic number, because the mean of its divisors is an integer number (4358172).

Almost surely, 2^133204435 is an apocalyptic number.

133204435 is a deficient number, since it is larger than the sum of its proper divisors (75987821).

133204435 is a wasteful number, since it uses less digits than its factorization.

133204435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1072 (or 1055 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 133204435 is about 11541.4225726294. The cubic root of 133204435 is about 510.7082751692.

Adding to 133204435 its reverse (534402331), we get a palindrome (667606766).

The spelling of 133204435 in words is "one hundred thirty-three million, two hundred four thousand, four hundred thirty-five".