133003138 has 16 divisors (see below), whose sum is σ = 215737344. Its totient is φ = 61257280.

The previous prime is 133003133. The next prime is 133003151. The reversal of 133003138 is 831300331.

It is not an unprimeable number, because it can be changed into a prime (133003133) 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, 40018 + ... + 43213.

It is an arithmetic number, because the mean of its divisors is an integer number (13483584).

Almost surely, 2^133003138 is an apocalyptic number.

133003138 is a deficient number, since it is larger than the sum of its proper divisors (82734206).

133003138 is a wasteful number, since it uses less digits than its factorization.

133003138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83297.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 133003138 is about 11532.6986434225. The cubic root of 133003138 is about 510.4508866605.

Adding to 133003138 its reverse (831300331), we get a palindrome (964303469).

The spelling of 133003138 in words is "one hundred thirty-three million, three thousand, one hundred thirty-eight".