133242467 has 2 divisors, whose sum is σ = 133242468. Its totient is φ = 133242466.

The previous prime is 133242449. The next prime is 133242469. The reversal of 133242467 is 764242331.

It is a strong prime.

It is an emirp because it is prime and its reverse (764242331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 133242467 - 2¹⁰ = 133241443 is a prime.

Together with 133242469, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (133242469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66621233 + 66621234.

It is an arithmetic number, because the mean of its divisors is an integer number (66621234).

Almost surely, 2^133242467 is an apocalyptic number.

133242467 is a deficient number, since it is larger than the sum of its proper divisors (1).

133242467 is an equidigital number, since it uses as much as digits as its factorization.

133242467 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 32.

The square root of 133242467 is about 11543.0700855535. The cubic root of 133242467 is about 510.7568756753.

Adding to 133242467 its reverse (764242331), we get a palindrome (897484798).

The spelling of 133242467 in words is "one hundred thirty-three million, two hundred forty-two thousand, four hundred sixty-seven".