133400243443 has 4 divisors (see below), whose sum is σ = 133402494160. Its totient is φ = 133397992728.

The previous prime is 133400243441. The next prime is 133400243477. The reversal of 133400243443 is 344342004331.

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 133400243443 - 2¹ = 133400243441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133400243441) 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, 1033980 + ... + 1155817.

It is an arithmetic number, because the mean of its divisors is an integer number (33350623540).

Almost surely, 2^133400243443 is an apocalyptic number.

133400243443 is a deficient number, since it is larger than the sum of its proper divisors (2250717).

133400243443 is an equidigital number, since it uses as much as digits as its factorization.

133400243443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2250716.

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 133400243443 its reverse (344342004331), we get a palindrome (477742247774).

The spelling of 133400243443 in words is "one hundred thirty-three billion, four hundred million, two hundred forty-three thousand, four hundred forty-three".