235168641139 has 2 divisors, whose sum is σ = 235168641140. Its totient is φ = 235168641138.

The previous prime is 235168641137. The next prime is 235168641151. The reversal of 235168641139 is 931146861532.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 235168641139 - 2¹ = 235168641137 is a prime.

Together with 235168641137, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 235168641092 and 235168641101.

It is not a weakly prime, because it can be changed into another prime (235168641137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117584320569 + 117584320570.

It is an arithmetic number, because the mean of its divisors is an integer number (117584320570).

Almost surely, 2^235168641139 is an apocalyptic number.

235168641139 is a deficient number, since it is larger than the sum of its proper divisors (1).

235168641139 is an equidigital number, since it uses as much as digits as its factorization.

235168641139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 933120, while the sum is 49.

The spelling of 235168641139 in words is "two hundred thirty-five billion, one hundred sixty-eight million, six hundred forty-one thousand, one hundred thirty-nine".