227277132136213 has 4 divisors (see below), whose sum is σ = 227802021587308. Its totient is φ = 226752242685120.

The previous prime is 227277132136181. The next prime is 227277132136267. The reversal of 227277132136213 is 312631231772722.

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

It can be written as a sum of positive squares in 2 ways, for example, as 44979798063204 + 182297334073009 = 6706698^2 + 13501753^2 .

It is a cyclic number.

It is not a de Polignac number, because 227277132136213 - 2⁵ = 227277132136181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (227277132136913) 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, 262444724898 + ... + 262444725763.

It is an arithmetic number, because the mean of its divisors is an integer number (56950505396827).

Almost surely, 2^{227277132136213} is an apocalyptic number.

It is an amenable number.

227277132136213 is a deficient number, since it is larger than the sum of its proper divisors (524889451095).

227277132136213 is an equidigital number, since it uses as much as digits as its factorization.

227277132136213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524889451094.

The product of its digits is 1778112, while the sum is 49.

The spelling of 227277132136213 in words is "two hundred twenty-seven trillion, two hundred seventy-seven billion, one hundred thirty-two million, one hundred thirty-six thousand, two hundred thirteen".