225746134465139 has 2 divisors, whose sum is σ = 225746134465140. Its totient is φ = 225746134465138.

The previous prime is 225746134465123. The next prime is 225746134465157. The reversal of 225746134465139 is 931564431647522.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 225746134465139 - 2⁴ = 225746134465123 is a prime.

It is a super-2 number, since 2×225746134465139² (a number of 30 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (225746134465109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112873067232569 + 112873067232570.

It is an arithmetic number, because the mean of its divisors is an integer number (112873067232570).

Almost surely, 2^{225746134465139} is an apocalyptic number.

225746134465139 is a deficient number, since it is larger than the sum of its proper divisors (1).

225746134465139 is an equidigital number, since it uses as much as digits as its factorization.

225746134465139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 130636800, while the sum is 62.

The spelling of 225746134465139 in words is "two hundred twenty-five trillion, seven hundred forty-six billion, one hundred thirty-four million, four hundred sixty-five thousand, one hundred thirty-nine".