133424147 has 2 divisors, whose sum is σ = 133424148. Its totient is φ = 133424146.

The previous prime is 133424119. The next prime is 133424167. The reversal of 133424147 is 741424331.

It is a strong prime.

It is an emirp because it is prime and its reverse (741424331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 133424147 - 2²⁰ = 132375571 is a prime.

It is equal to p_7561244 and since 133424147 and 7561244 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (133424167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66712073 + 66712074.

It is an arithmetic number, because the mean of its divisors is an integer number (66712074).

Almost surely, 2^133424147 is an apocalyptic number.

133424147 is a deficient number, since it is larger than the sum of its proper divisors (1).

133424147 is an equidigital number, since it uses as much as digits as its factorization.

133424147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8064, while the sum is 29.

The square root of 133424147 is about 11550.9370615548. The cubic root of 133424147 is about 510.9889142219.

Adding to 133424147 its reverse (741424331), we get a palindrome (874848478).

The spelling of 133424147 in words is "one hundred thirty-three million, four hundred twenty-four thousand, one hundred forty-seven".