133251235 has 16 divisors (see below), whose sum is σ = 173527200. Its totient is φ = 97643520.

The previous prime is 133251221. The next prime is 133251241. The reversal of 133251235 is 532152331.

It is not a de Polignac number, because 133251235 - 2¹¹ = 133249187 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 691 + ... + 16339.

It is an arithmetic number, because the mean of its divisors is an integer number (10845450).

Almost surely, 2^133251235 is an apocalyptic number.

133251235 is a deficient number, since it is larger than the sum of its proper divisors (40275965).

133251235 is a wasteful number, since it uses less digits than its factorization.

133251235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15798.

The product of its digits is 2700, while the sum is 25.

The square root of 133251235 is about 11543.4498742794. The cubic root of 133251235 is about 510.7680788554.

The spelling of 133251235 in words is "one hundred thirty-three million, two hundred fifty-one thousand, two hundred thirty-five".