129359033 has 2 divisors, whose sum is σ = 129359034. Its totient is φ = 129359032.

The previous prime is 129359029. The next prime is 129359057. The reversal of 129359033 is 330953921.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109893289 + 19465744 = 10483^2 + 4412^2 .

It is a cyclic number.

It is not a de Polignac number, because 129359033 - 2² = 129359029 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 129358984 and 129359002.

It is not a weakly prime, because it can be changed into another prime (129359003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64679516 + 64679517.

It is an arithmetic number, because the mean of its divisors is an integer number (64679517).

Almost surely, 2^129359033 is an apocalyptic number.

It is an amenable number.

129359033 is a deficient number, since it is larger than the sum of its proper divisors (1).

129359033 is an equidigital number, since it uses as much as digits as its factorization.

129359033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21870, while the sum is 35.

The square root of 129359033 is about 11373.6112558853. The cubic root of 129359033 is about 505.7457634847.

The spelling of 129359033 in words is "one hundred twenty-nine million, three hundred fifty-nine thousand, thirty-three".