133742843 has 8 divisors (see below), whose sum is σ = 151611600. Its totient is φ = 116957088.

The previous prime is 133742839. The next prime is 133742849. The reversal of 133742843 is 348247331.

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 133742843 - 2² = 133742839 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133742849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 270488 + ... + 270981.

It is an arithmetic number, because the mean of its divisors is an integer number (18951450).

Almost surely, 2^133742843 is an apocalyptic number.

133742843 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

133742843 is a deficient number, since it is larger than the sum of its proper divisors (17868757).

133742843 is a wasteful number, since it uses less digits than its factorization.

133742843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541501.

The product of its digits is 48384, while the sum is 35.

The square root of 133742843 is about 11564.7240779882. The cubic root of 133742843 is about 511.3954389216.

The spelling of 133742843 in words is "one hundred thirty-three million, seven hundred forty-two thousand, eight hundred forty-three".