133503042 has 8 divisors (see below), whose sum is σ = 267006096. Its totient is φ = 44501012.

The previous prime is 133502977. The next prime is 133503043. The reversal of 133503042 is 240305331.

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

133503042 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (133503043) 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 3 ways as a sum of consecutive naturals, for example, 11125248 + ... + 11125259.

It is an arithmetic number, because the mean of its divisors is an integer number (33375762).

Almost surely, 2^133503042 is an apocalyptic number.

133503042 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133503042 is a wasteful number, since it uses less digits than its factorization.

133503042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22250512.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 133503042 is about 11554.3516477559. The cubic root of 133503042 is about 511.0896119536.

Adding to 133503042 its reverse (240305331), we get a palindrome (373808373).

The spelling of 133503042 in words is "one hundred thirty-three million, five hundred three thousand, forty-two".