133263235 has 16 divisors (see below), whose sum is σ = 187013376. Its totient is φ = 89254368.

The previous prime is 133263227. The next prime is 133263269. The reversal of 133263235 is 532362331.

It is not a de Polignac number, because 133263235 - 2³ = 133263227 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42769 + ... + 45778.

It is an arithmetic number, because the mean of its divisors is an integer number (11688336).

Almost surely, 2^133263235 is an apocalyptic number.

133263235 is a deficient number, since it is larger than the sum of its proper divisors (53750141).

133263235 is an equidigital number, since it uses as much as digits as its factorization.

133263235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88602.

The product of its digits is 9720, while the sum is 28.

The square root of 133263235 is about 11543.9696378672. The cubic root of 133263235 is about 510.7834108783.

It can be divided in two parts, 13326 and 3235, that added together give a palindrome (16561).

The spelling of 133263235 in words is "one hundred thirty-three million, two hundred sixty-three thousand, two hundred thirty-five".