236871441139 has 2 divisors, whose sum is σ = 236871441140. Its totient is φ = 236871441138.

The previous prime is 236871441137. The next prime is 236871441173. The reversal of 236871441139 is 931144178632.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 236871441139 - 2¹ = 236871441137 is a prime.

It is a super-2 number, since 2×236871441139² (a number of 24 digits) contains 22 as substring.

Together with 236871441137, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 236871441092 and 236871441101.

It is not a weakly prime, because it can be changed into another prime (236871441137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 118435720569 + 118435720570.

It is an arithmetic number, because the mean of its divisors is an integer number (118435720570).

Almost surely, 2^236871441139 is an apocalyptic number.

236871441139 is a deficient number, since it is larger than the sum of its proper divisors (1).

236871441139 is an equidigital number, since it uses as much as digits as its factorization.

236871441139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 870912, while the sum is 49.

The spelling of 236871441139 in words is "two hundred thirty-six billion, eight hundred seventy-one million, four hundred forty-one thousand, one hundred thirty-nine".