853048139 has 2 divisors, whose sum is σ = 853048140. Its totient is φ = 853048138.

The previous prime is 853048123. The next prime is 853048159. The reversal of 853048139 is 931840358.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 853048139 - 2⁴ = 853048123 is a prime.

It is a super-2 number, since 2×853048139² = 1455382254902726642, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 853048096 and 853048105.

It is not a weakly prime, because it can be changed into another prime (853048159) 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, 426524069 + 426524070.

It is an arithmetic number, because the mean of its divisors is an integer number (426524070).

Almost surely, 2^853048139 is an apocalyptic number.

853048139 is a deficient number, since it is larger than the sum of its proper divisors (1).

853048139 is an equidigital number, since it uses as much as digits as its factorization.

853048139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 853048139 is about 29206.9878453770. The cubic root of 853048139 is about 948.3992021510.

The spelling of 853048139 in words is "eight hundred fifty-three million, forty-eight thousand, one hundred thirty-nine".