133013235 has 8 divisors (see below), whose sum is σ = 212821200. Its totient is φ = 70940384.

The previous prime is 133013213. The next prime is 133013249. The reversal of 133013235 is 532310331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 133013235 - 2⁵ = 133013203 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4433760 + ... + 4433789.

It is an arithmetic number, because the mean of its divisors is an integer number (26602650).

Almost surely, 2^133013235 is an apocalyptic number.

133013235 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

133013235 is a deficient number, since it is larger than the sum of its proper divisors (79807965).

133013235 is an equidigital number, since it uses as much as digits as its factorization.

133013235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8867557.

The product of its (nonzero) digits is 810, while the sum is 21.

The square root of 133013235 is about 11533.1363904187. The cubic root of 133013235 is about 510.4638033788.

Adding to 133013235 its reverse (532310331), we get a palindrome (665323566).

The spelling of 133013235 in words is "one hundred thirty-three million, thirteen thousand, two hundred thirty-five".