133502042 has 8 divisors (see below), whose sum is σ = 202025556. Its totient is φ = 66160192.

The previous prime is 133502041. The next prime is 133502059. The reversal of 133502042 is 240205331.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 131308681 + 2193361 = 11459^2 + 1481^2 .

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

It is not an unprimeable number, because it can be changed into a prime (133502041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 295133 + ... + 295584.

Almost surely, 2^133502042 is an apocalyptic number.

133502042 is a deficient number, since it is larger than the sum of its proper divisors (68523514).

133502042 is a wasteful number, since it uses less digits than its factorization.

133502042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 590832.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 133502042 is about 11554.3083739357. The cubic root of 133502042 is about 511.0883358506.

Adding to 133502042 its reverse (240205331), we get a palindrome (373707373).

The spelling of 133502042 in words is "one hundred thirty-three million, five hundred two thousand, forty-two".