133754689 has 2 divisors, whose sum is σ = 133754690. Its totient is φ = 133754688.

The previous prime is 133754671. The next prime is 133754701. The reversal of 133754689 is 986457331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 92794689 + 40960000 = 9633^2 + 6400^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133754689 is a prime.

It is not a weakly prime, because it can be changed into another prime (133754659) 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, 66877344 + 66877345.

It is an arithmetic number, because the mean of its divisors is an integer number (66877345).

Almost surely, 2^133754689 is an apocalyptic number.

It is an amenable number.

133754689 is a deficient number, since it is larger than the sum of its proper divisors (1).

133754689 is an equidigital number, since it uses as much as digits as its factorization.

133754689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 544320, while the sum is 46.

The square root of 133754689 is about 11565.2362275917. The cubic root of 133754689 is about 511.4105370791.

The spelling of 133754689 in words is "one hundred thirty-three million, seven hundred fifty-four thousand, six hundred eighty-nine".