133252143 has 4 divisors (see below), whose sum is σ = 177669528. Its totient is φ = 88834760.

The previous prime is 133252127. The next prime is 133252153. The reversal of 133252143 is 341252331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 133252143 - 2⁴ = 133252127 is a prime.

It is a super-2 number, since 2×133252143² = 35512267228184898, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133252153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22208688 + ... + 22208693.

It is an arithmetic number, because the mean of its divisors is an integer number (44417382).

Almost surely, 2^133252143 is an apocalyptic number.

133252143 is a deficient number, since it is larger than the sum of its proper divisors (44417385).

133252143 is an equidigital number, since it uses as much as digits as its factorization.

133252143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44417384.

The product of its digits is 2160, while the sum is 24.

The square root of 133252143 is about 11543.4892038759. The cubic root of 133252143 is about 510.7692390106.

The spelling of 133252143 in words is "one hundred thirty-three million, two hundred fifty-two thousand, one hundred forty-three".