133433201 has 8 divisors (see below), whose sum is σ = 146492544. Its totient is φ = 120528720.

The previous prime is 133433191. The next prime is 133433203. The reversal of 133433201 is 102334331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 133433201 - 2¹⁴ = 133416817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133433203) 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, 36905 + ... + 40358.

It is an arithmetic number, because the mean of its divisors is an integer number (18311568).

Almost surely, 2^133433201 is an apocalyptic number.

133433201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

133433201 is a deficient number, since it is larger than the sum of its proper divisors (13059343).

133433201 is a wasteful number, since it uses less digits than its factorization.

133433201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77431.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 133433201 is about 11551.3289711617. The cubic root of 133433201 is about 511.0004723221. Note that the first 3 decimals are identical.

Adding to 133433201 its reverse (102334331), we get a palindrome (235767532).

It can be divided in two parts, 133 and 433201, that added together give a palindrome (433334).

The spelling of 133433201 in words is "one hundred thirty-three million, four hundred thirty-three thousand, two hundred one".