133342000243 has 4 divisors (see below), whose sum is σ = 133797092688. Its totient is φ = 132886907800.

The previous prime is 133342000223. The next prime is 133342000273. The reversal of 133342000243 is 342000243331.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133342000243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133342000223) 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, 227545783 + ... + 227546368.

It is an arithmetic number, because the mean of its divisors is an integer number (33449273172).

Almost surely, 2^133342000243 is an apocalyptic number.

133342000243 is a deficient number, since it is larger than the sum of its proper divisors (455092445).

133342000243 is an equidigital number, since it uses as much as digits as its factorization.

133342000243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455092444.

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 133342000243 its reverse (342000243331), we get a palindrome (475342243574).

The spelling of 133342000243 in words is "one hundred thirty-three billion, three hundred forty-two million, two hundred forty-three", and thus it is an aban number.