133752673 has 2 divisors, whose sum is σ = 133752674. Its totient is φ = 133752672.

The previous prime is 133752649. The next prime is 133752677. The reversal of 133752673 is 376257331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68013009 + 65739664 = 8247^2 + 8108^2 .

It is a cyclic number.

It is not a de Polignac number, because 133752673 - 2²¹ = 131655521 is a prime.

It is not a weakly prime, because it can be changed into another prime (133752677) 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, 66876336 + 66876337.

It is an arithmetic number, because the mean of its divisors is an integer number (66876337).

Almost surely, 2^133752673 is an apocalyptic number.

It is an amenable number.

133752673 is a deficient number, since it is larger than the sum of its proper divisors (1).

133752673 is an equidigital number, since it uses as much as digits as its factorization.

133752673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 79380, while the sum is 37.

The square root of 133752673 is about 11565.1490695105. The cubic root of 133752673 is about 511.4079676768.

The spelling of 133752673 in words is "one hundred thirty-three million, seven hundred fifty-two thousand, six hundred seventy-three".