133330512443 has 4 divisors (see below), whose sum is σ = 133367236128. Its totient is φ = 133293788760.

The previous prime is 133330512409. The next prime is 133330512449. The reversal of 133330512443 is 344215033331.

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 133330512443 - 2⁶ = 133330512379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133330512449) 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, 18356396 + ... + 18363657.

It is an arithmetic number, because the mean of its divisors is an integer number (33341809032).

Almost surely, 2^133330512443 is an apocalyptic number.

133330512443 is a deficient number, since it is larger than the sum of its proper divisors (36723685).

133330512443 is an equidigital number, since it uses as much as digits as its factorization.

133330512443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36723684.

The product of its (nonzero) digits is 38880, while the sum is 32.

Adding to 133330512443 its reverse (344215033331), we get a palindrome (477545545774).

The spelling of 133330512443 in words is "one hundred thirty-three billion, three hundred thirty million, five hundred twelve thousand, four hundred forty-three".