225746134465127 has 4 divisors (see below), whose sum is σ = 229446890767896. Its totient is φ = 222045378162360.

The previous prime is 225746134465123. The next prime is 225746134465139. The reversal of 225746134465127 is 721564431647522.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 225746134465127 - 2² = 225746134465123 is a prime.

It is a super-2 number, since 2×225746134465127² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225746134465123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1850378151293 + ... + 1850378151414.

It is an arithmetic number, because the mean of its divisors is an integer number (57361722691974).

Almost surely, 2^{225746134465127} is an apocalyptic number.

225746134465127 is a deficient number, since it is larger than the sum of its proper divisors (3700756302769).

225746134465127 is an equidigital number, since it uses as much as digits as its factorization.

225746134465127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3700756302768.

The product of its digits is 67737600, while the sum is 59.

The spelling of 225746134465127 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 twenty-seven".