133601332 has 6 divisors (see below), whose sum is σ = 233802338. Its totient is φ = 66800664.

The previous prime is 133601257. The next prime is 133601353. The reversal of 133601332 is 233106331.

It can be written as a sum of positive squares in only one way, i.e., 122014116 + 11587216 = 11046^2 + 3404^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16700163 + ... + 16700170.

Almost surely, 2^133601332 is an apocalyptic number.

It is an amenable number.

133601332 is a deficient number, since it is larger than the sum of its proper divisors (100201006).

133601332 is a wasteful number, since it uses less digits than its factorization.

133601332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33400337 (or 33400335 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 22.

The square root of 133601332 is about 11558.6042409973. The cubic root of 133601332 is about 511.2150090331.

Adding to 133601332 its reverse (233106331), we get a palindrome (366707663).

The spelling of 133601332 in words is "one hundred thirty-three million, six hundred one thousand, three hundred thirty-two".