133330250 has 16 divisors (see below), whose sum is σ = 249594696. Its totient is φ = 53332000.

The previous prime is 133330247. The next prime is 133330259. The reversal of 133330250 is 52033331.

It can be written as a sum of positive squares in 4 ways, for example, as 18861649 + 114468601 = 4343^2 + 10699^2 .

It is not an unprimeable number, because it can be changed into a prime (133330259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 266411 + ... + 266910.

Almost surely, 2^133330250 is an apocalyptic number.

133330250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133330250 is a deficient number, since it is larger than the sum of its proper divisors (116264446).

133330250 is an equidigital number, since it uses as much as digits as its factorization.

133330250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533338 (or 533328 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 20.

The square root of 133330250 is about 11546.8718707709. The cubic root of 133330250 is about 510.8690169197.

Adding to 133330250 its reverse (52033331), we get a palindrome (185363581).

The spelling of 133330250 in words is "one hundred thirty-three million, three hundred thirty thousand, two hundred fifty".