70135229 has 2 divisors, whose sum is σ = 70135230. Its totient is φ = 70135228.

The previous prime is 70135207. The next prime is 70135321. The reversal of 70135229 is 92253107.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69139225 + 996004 = 8315^2 + 998^2 .

It is an emirp because it is prime and its reverse (92253107) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70135229 - 2⁸ = 70134973 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70185229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35067614 + 35067615.

It is an arithmetic number, because the mean of its divisors is an integer number (35067615).

Almost surely, 2^70135229 is an apocalyptic number.

It is an amenable number.

70135229 is a deficient number, since it is larger than the sum of its proper divisors (1).

70135229 is an equidigital number, since it uses as much as digits as its factorization.

70135229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 70135229 is about 8374.6778445502. The cubic root of 70135229 is about 412.3937484529.

The spelling of 70135229 in words is "seventy million, one hundred thirty-five thousand, two hundred twenty-nine".