133230535 has 4 divisors (see below), whose sum is σ = 159876648. Its totient is φ = 106584424.

The previous prime is 133230511. The next prime is 133230541. The reversal of 133230535 is 535032331.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 133230535 - 2⁷ = 133230407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13323049 + ... + 13323058.

It is an arithmetic number, because the mean of its divisors is an integer number (39969162).

Almost surely, 2^133230535 is an apocalyptic number.

133230535 is a deficient number, since it is larger than the sum of its proper divisors (26646113).

133230535 is an equidigital number, since it uses as much as digits as its factorization.

133230535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26646112.

The product of its (nonzero) digits is 4050, while the sum is 25.

The square root of 133230535 is about 11542.5532270811. The cubic root of 133230535 is about 510.7416289522.

Adding to 133230535 its reverse (535032331), we get a palindrome (668262866).

The spelling of 133230535 in words is "one hundred thirty-three million, two hundred thirty thousand, five hundred thirty-five".