133724263 has 2 divisors, whose sum is σ = 133724264. Its totient is φ = 133724262.

The previous prime is 133724251. The next prime is 133724287. The reversal of 133724263 is 362427331.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133724263 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133724233) 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 as a sum of consecutive naturals, namely, 66862131 + 66862132.

It is an arithmetic number, because the mean of its divisors is an integer number (66862132).

Almost surely, 2^133724263 is an apocalyptic number.

133724263 is a deficient number, since it is larger than the sum of its proper divisors (1).

133724263 is an equidigital number, since it uses as much as digits as its factorization.

133724263 is an odious number, because the sum of its binary digits is odd.

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

The square root of 133724263 is about 11563.9207451452. The cubic root of 133724263 is about 511.3717562406.

It can be divided in two parts, 1337 and 24263, that added together give a square (25600 = 160²).

The spelling of 133724263 in words is "one hundred thirty-three million, seven hundred twenty-four thousand, two hundred sixty-three".