133030235 has 16 divisors (see below), whose sum is σ = 172262496. Its totient is φ = 98039808.

The previous prime is 133030217. The next prime is 133030243. The reversal of 133030235 is 532030331.

It is a cyclic number.

It is not a de Polignac number, because 133030235 - 2⁶ = 133030171 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35732 + ... + 39278.

It is an arithmetic number, because the mean of its divisors is an integer number (10766406).

Almost surely, 2^133030235 is an apocalyptic number.

133030235 is a deficient number, since it is larger than the sum of its proper divisors (39232261).

133030235 is a wasteful number, since it uses less digits than its factorization.

133030235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4142.

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

The square root of 133030235 is about 11533.8733736763. The cubic root of 133030235 is about 510.4855493727.

Adding to 133030235 its reverse (532030331), we get a palindrome (665060566).

The spelling of 133030235 in words is "one hundred thirty-three million, thirty thousand, two hundred thirty-five".