133364729 has 2 divisors, whose sum is σ = 133364730. Its totient is φ = 133364728.

The previous prime is 133364723. The next prime is 133364731. The reversal of 133364729 is 927463331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 105781225 + 27583504 = 10285^2 + 5252^2 .

It is a cyclic number.

It is not a de Polignac number, because 133364729 - 2⁴ = 133364713 is a prime.

Together with 133364731, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 133364692 and 133364701.

It is not a weakly prime, because it can be changed into another prime (133364723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66682364 + 66682365.

It is an arithmetic number, because the mean of its divisors is an integer number (66682365).

Almost surely, 2^133364729 is an apocalyptic number.

It is an amenable number.

133364729 is a deficient number, since it is larger than the sum of its proper divisors (1).

133364729 is an equidigital number, since it uses as much as digits as its factorization.

133364729 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81648, while the sum is 38.

The square root of 133364729 is about 11548.3647760192. The cubic root of 133364729 is about 510.9130497747.

The spelling of 133364729 in words is "one hundred thirty-three million, three hundred sixty-four thousand, seven hundred twenty-nine".