133729339 has 2 divisors, whose sum is σ = 133729340. Its totient is φ = 133729338.

The previous prime is 133729307. The next prime is 133729363. The reversal of 133729339 is 933927331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 133729339 - 2⁵ = 133729307 is a prime.

It is a super-2 number, since 2×133729339² = 35767072218753842, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (133729369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66864669 + 66864670.

It is an arithmetic number, because the mean of its divisors is an integer number (66864670).

Almost surely, 2^133729339 is an apocalyptic number.

133729339 is a deficient number, since it is larger than the sum of its proper divisors (1).

133729339 is an equidigital number, since it uses as much as digits as its factorization.

133729339 is an evil number, because the sum of its binary digits is even.

The product of its digits is 91854, while the sum is 40.

The square root of 133729339 is about 11564.1402187971. The cubic root of 133729339 is about 511.3782264954.

The spelling of 133729339 in words is "one hundred thirty-three million, seven hundred twenty-nine thousand, three hundred thirty-nine".