136778370448227 has 8 divisors (see below), whose sum is σ = 183316088891664. Its totient is φ = 90713116151808.

The previous prime is 136778370448217. The next prime is 136778370448231. The reversal of 136778370448227 is 722844073877631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 136778370448227 - 2⁶ = 136778370448163 is a prime.

It is not an unprimeable number, because it can be changed into a prime (136778370448217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118116036078 + ... + 118116037235.

It is an arithmetic number, because the mean of its divisors is an integer number (22914511111458).

Almost surely, 2^{136778370448227} is an apocalyptic number.

136778370448227 is a deficient number, since it is larger than the sum of its proper divisors (46537718443437).

136778370448227 is a wasteful number, since it uses less digits than its factorization.

136778370448227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236232073509.

The product of its (nonzero) digits is 531062784, while the sum is 69.

The spelling of 136778370448227 in words is "one hundred thirty-six trillion, seven hundred seventy-eight billion, three hundred seventy million, four hundred forty-eight thousand, two hundred twenty-seven".