225150139 has 2 divisors, whose sum is σ = 225150140. Its totient is φ = 225150138.

The previous prime is 225150119. The next prime is 225150157. The reversal of 225150139 is 931051522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 225150139 - 2⁷ = 225150011 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (225150119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112575069 + 112575070.

It is an arithmetic number, because the mean of its divisors is an integer number (112575070).

Almost surely, 2^225150139 is an apocalyptic number.

225150139 is a deficient number, since it is larger than the sum of its proper divisors (1).

225150139 is an equidigital number, since it uses as much as digits as its factorization.

225150139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 225150139 is about 15005.0037987333. The cubic root of 225150139 is about 608.3554547699.

The spelling of 225150139 in words is "two hundred twenty-five million, one hundred fifty thousand, one hundred thirty-nine".