133302530 has 16 divisors (see below), whose sum is σ = 243527040. Its totient is φ = 52524912.

The previous prime is 133302517. The next prime is 133302557. The reversal of 133302530 is 35203331.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98810 + ... + 100149.

It is an arithmetic number, because the mean of its divisors is an integer number (15220440).

Almost surely, 2^133302530 is an apocalyptic number.

133302530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133302530 is a deficient number, since it is larger than the sum of its proper divisors (110224510).

133302530 is a wasteful number, since it uses less digits than its factorization.

133302530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199033.

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

The square root of 133302530 is about 11545.6714832876. The cubic root of 133302530 is about 510.8336104242.

Adding to 133302530 its reverse (35203331), we get a palindrome (168505861).

The spelling of 133302530 in words is "one hundred thirty-three million, three hundred two thousand, five hundred thirty".