133434043 has 4 divisors (see below), whose sum is σ = 133590600. Its totient is φ = 133277488.

The previous prime is 133433983. The next prime is 133434047. The reversal of 133434043 is 340434331.

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-133434043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133433999 and 133434017.

It is not an unprimeable number, because it can be changed into a prime (133434047) 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, 76993 + ... + 78706.

It is an arithmetic number, because the mean of its divisors is an integer number (33397650).

Almost surely, 2^133434043 is an apocalyptic number.

133434043 is a deficient number, since it is larger than the sum of its proper divisors (156557).

133434043 is an equidigital number, since it uses as much as digits as its factorization.

133434043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156556.

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

The square root of 133434043 is about 11551.3654171271. The cubic root of 133434043 is about 511.0015471708.

Adding to 133434043 its reverse (340434331), we get a palindrome (473868374).

The spelling of 133434043 in words is "one hundred thirty-three million, four hundred thirty-four thousand, forty-three".