225156435139 has 2 divisors, whose sum is σ = 225156435140. Its totient is φ = 225156435138.

The previous prime is 225156435137. The next prime is 225156435151. The reversal of 225156435139 is 931534651522.

It is a happy number.

225156435139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 225156435139 - 2¹ = 225156435137 is a prime.

Together with 225156435137, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (225156435131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112578217569 + 112578217570.

It is an arithmetic number, because the mean of its divisors is an integer number (112578217570).

Almost surely, 2^225156435139 is an apocalyptic number.

225156435139 is a deficient number, since it is larger than the sum of its proper divisors (1).

225156435139 is an equidigital number, since it uses as much as digits as its factorization.

225156435139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 972000, while the sum is 46.

The spelling of 225156435139 in words is "two hundred twenty-five billion, one hundred fifty-six million, four hundred thirty-five thousand, one hundred thirty-nine".