133334663 has 32 divisors (see below), whose sum is σ = 174597120. Its totient is φ = 98901600.

The previous prime is 133334659. The next prime is 133334671. The reversal of 133334663 is 366433331.

It is not a de Polignac number, because 133334663 - 2² = 133334659 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133334683) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1877918 + ... + 1877988.

It is an arithmetic number, because the mean of its divisors is an integer number (5456160).

Almost surely, 2^133334663 is an apocalyptic number.

133334663 is a deficient number, since it is larger than the sum of its proper divisors (41262457).

133334663 is an frugal number, since it uses more digits than its factorization.

133334663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176 (or 118 counting only the distinct ones).

The product of its digits is 34992, while the sum is 32.

The square root of 133334663 is about 11547.0629599046. The cubic root of 133334663 is about 510.8746531502.

Adding to 133334663 its reverse (366433331), we get a palindrome (499767994).

The spelling of 133334663 in words is "one hundred thirty-three million, three hundred thirty-four thousand, six hundred sixty-three".