133330650 has 24 divisors (see below), whose sum is σ = 330660384. Its totient is φ = 35554800.

The previous prime is 133330583. The next prime is 133330651. The reversal of 133330650 is 56033331.

It is a self number, because there is not a number n which added to its sum of digits gives 133330650.

It is not an unprimeable number, because it can be changed into a prime (133330651) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 444286 + ... + 444585.

It is an arithmetic number, because the mean of its divisors is an integer number (13777516).

Almost surely, 2^133330650 is an apocalyptic number.

133330650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133330650 is an abundant number, since it is smaller than the sum of its proper divisors (197329734).

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

133330650 is a wasteful number, since it uses less digits than its factorization.

133330650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 888886 (or 888881 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 24.

The square root of 133330650 is about 11546.8891914662. The cubic root of 133330650 is about 510.8695278000.

Adding to 133330650 its reverse (56033331), we get a palindrome (189363981).

The spelling of 133330650 in words is "one hundred thirty-three million, three hundred thirty thousand, six hundred fifty".