133142103 has 32 divisors (see below), whose sum is σ = 206270400. Its totient is φ = 84768768.

The previous prime is 133142081. The next prime is 133142143. The reversal of 133142103 is 301241331.

It is not a de Polignac number, because 133142103 - 2¹⁴ = 133125719 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133142143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 75075 + ... + 76827.

It is an arithmetic number, because the mean of its divisors is an integer number (6445950).

Almost surely, 2^133142103 is an apocalyptic number.

133142103 is a deficient number, since it is larger than the sum of its proper divisors (73128297).

133142103 is a wasteful number, since it uses less digits than its factorization.

133142103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1888 (or 1882 counting only the distinct ones).

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

The square root of 133142103 is about 11538.7218962934. The cubic root of 133142103 is about 510.6286020589.

Adding to 133142103 its reverse (301241331), we get a palindrome (434383434).

It can be divided in two parts, 1331 and 42103, that added together give a palindrome (43434).

The spelling of 133142103 in words is "one hundred thirty-three million, one hundred forty-two thousand, one hundred three".