133203141 has 6 divisors (see below), whose sum is σ = 192404550. Its totient is φ = 88802088.

The previous prime is 133203139. The next prime is 133203163. The reversal of 133203141 is 141302331.

It can be written as a sum of positive squares in only one way, i.e., 122014116 + 11189025 = 11046^2 + 3345^2 .

It is not a de Polignac number, because 133203141 - 2¹ = 133203139 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133203101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7400166 + ... + 7400183.

It is an arithmetic number, because the mean of its divisors is an integer number (32067425).

Almost surely, 2^133203141 is an apocalyptic number.

It is an amenable number.

133203141 is a deficient number, since it is larger than the sum of its proper divisors (59201409).

133203141 is a wasteful number, since it uses less digits than its factorization.

133203141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14800355 (or 14800352 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 133203141 is about 11541.3665135460. The cubic root of 133203141 is about 510.7066214238.

Adding to 133203141 its reverse (141302331), we get a palindrome (274505472).

It can be divided in two parts, 13320 and 3141, that added together give a palindrome (16461).

The spelling of 133203141 in words is "one hundred thirty-three million, two hundred three thousand, one hundred forty-one".