133242367 has 2 divisors, whose sum is σ = 133242368. Its totient is φ = 133242366.

The previous prime is 133242359. The next prime is 133242407. The reversal of 133242367 is 763242331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 133242367 - 2³ = 133242359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133242467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66621183 + 66621184.

It is an arithmetic number, because the mean of its divisors is an integer number (66621184).

Almost surely, 2^133242367 is an apocalyptic number.

133242367 is a deficient number, since it is larger than the sum of its proper divisors (1).

133242367 is an equidigital number, since it uses as much as digits as its factorization.

133242367 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 31.

The square root of 133242367 is about 11543.0657539494. The cubic root of 133242367 is about 510.7567478989.

Adding to 133242367 its reverse (763242331), we get a palindrome (896484698).

The spelling of 133242367 in words is "one hundred thirty-three million, two hundred forty-two thousand, three hundred sixty-seven".