133043253251 has 8 divisors (see below), whose sum is σ = 133222662144. Its totient is φ = 132863904520.

The previous prime is 133043253247. The next prime is 133043253331. The reversal of 133043253251 is 152352340331.

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 133043253251 - 2² = 133043253247 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133043255251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5953040 + ... + 5975346.

It is an arithmetic number, because the mean of its divisors is an integer number (16652832768).

Almost surely, 2^133043253251 is an apocalyptic number.

133043253251 is a deficient number, since it is larger than the sum of its proper divisors (179408893).

133043253251 is an equidigital number, since it uses as much as digits as its factorization.

133043253251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30081.

The product of its (nonzero) digits is 32400, while the sum is 32.

Adding to 133043253251 its reverse (152352340331), we get a palindrome (285395593582).

The spelling of 133043253251 in words is "one hundred thirty-three billion, forty-three million, two hundred fifty-three thousand, two hundred fifty-one".