227436945139 has 2 divisors, whose sum is σ = 227436945140. Its totient is φ = 227436945138.

The previous prime is 227436945101. The next prime is 227436945163. The reversal of 227436945139 is 931549634722.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 227436945139 - 2²⁹ = 226900074227 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 227436945139.

It is not a weakly prime, because it can be changed into another prime (227436948139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113718472569 + 113718472570.

It is an arithmetic number, because the mean of its divisors is an integer number (113718472570).

Almost surely, 2^227436945139 is an apocalyptic number.

227436945139 is a deficient number, since it is larger than the sum of its proper divisors (1).

227436945139 is an equidigital number, since it uses as much as digits as its factorization.

227436945139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9797760, while the sum is 55.

The spelling of 227436945139 in words is "two hundred twenty-seven billion, four hundred thirty-six million, nine hundred forty-five thousand, one hundred thirty-nine".