133633141 has 8 divisors (see below), whose sum is σ = 141886080. Its totient is φ = 125423808.

The previous prime is 133633139. The next prime is 133633169. The reversal of 133633141 is 141336331.

It is a happy number.

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 133633141 - 2¹ = 133633139 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133633111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4471 + ... + 16948.

It is an arithmetic number, because the mean of its divisors is an integer number (17735760).

Almost surely, 2^133633141 is an apocalyptic number.

It is an amenable number.

133633141 is a deficient number, since it is larger than the sum of its proper divisors (8252939).

133633141 is a wasteful number, since it uses less digits than its factorization.

133633141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21803.

The product of its digits is 1944, while the sum is 25.

The square root of 133633141 is about 11559.9801470418. The cubic root of 133633141 is about 511.2555773608.

Adding to 133633141 its reverse (141336331), we get a palindrome (274969472).

It can be divided in two parts, 133 and 633141, that multiplied together give a triangular number (84207753 = T₁₂₉₇₇).

The spelling of 133633141 in words is "one hundred thirty-three million, six hundred thirty-three thousand, one hundred forty-one".