235018129 has 2 divisors, whose sum is σ = 235018130. Its totient is φ = 235018128.

The previous prime is 235018123. The next prime is 235018141. The reversal of 235018129 is 921810532.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 189117504 + 45900625 = 13752^2 + 6775^2 .

It is a cyclic number.

It is not a de Polignac number, because 235018129 - 2⁵ = 235018097 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 235018129.

It is not a weakly prime, because it can be changed into another prime (235018123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117509064 + 117509065.

It is an arithmetic number, because the mean of its divisors is an integer number (117509065).

Almost surely, 2^235018129 is an apocalyptic number.

It is an amenable number.

235018129 is a deficient number, since it is larger than the sum of its proper divisors (1).

235018129 is an equidigital number, since it uses as much as digits as its factorization.

235018129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 235018129 is about 15330.3010081342. The cubic root of 235018129 is about 617.1164475454.

The spelling of 235018129 in words is "two hundred thirty-five million, eighteen thousand, one hundred twenty-nine".