133020235 has 16 divisors (see below), whose sum is σ = 170336160. Its totient is φ = 99429120.

The previous prime is 133020229. The next prime is 133020241. The reversal of 133020235 is 532020331.

It is an interprime number because it is at equal distance from previous prime (133020229) and next prime (133020241).

It is not a de Polignac number, because 133020235 - 2³ = 133020227 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

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, 2656 + ... + 16525.

It is an arithmetic number, because the mean of its divisors is an integer number (10646010).

Almost surely, 2^133020235 is an apocalyptic number.

133020235 is a deficient number, since it is larger than the sum of its proper divisors (37315925).

133020235 is a wasteful number, since it uses less digits than its factorization.

133020235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19278.

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 133020235 is about 11533.4398598163. The cubic root of 133020235 is about 510.4727578359.

Adding to 133020235 its reverse (532020331), we get a palindrome (665040566).

The spelling of 133020235 in words is "one hundred thirty-three million, twenty thousand, two hundred thirty-five".