133049506 has 8 divisors (see below), whose sum is σ = 206456220. Its totient is φ = 64230768.

The previous prime is 133049461. The next prime is 133049507. The reversal of 133049506 is 605940331.

It can be written as a sum of positive squares in 2 ways, for example, as 121550625 + 11498881 = 11025^2 + 3391^2 .

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 (133049507) 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, 1146921 + ... + 1147036.

Almost surely, 2^133049506 is an apocalyptic number.

133049506 is a deficient number, since it is larger than the sum of its proper divisors (73406714).

133049506 is a wasteful number, since it uses less digits than its factorization.

133049506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2293988.

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 133049506 is about 11534.7087522833. The cubic root of 133049506 is about 510.5101981352.

Adding to 133049506 its reverse (605940331), we get a palindrome (738989837).

The spelling of 133049506 in words is "one hundred thirty-three million, forty-nine thousand, five hundred six".