137844227 has 2 divisors, whose sum is σ = 137844228. Its totient is φ = 137844226.

The previous prime is 137844209. The next prime is 137844257. The reversal of 137844227 is 722448731.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 137844227 - 2¹⁰ = 137843203 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (137844257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68922113 + 68922114.

It is an arithmetic number, because the mean of its divisors is an integer number (68922114).

Almost surely, 2^137844227 is an apocalyptic number.

137844227 is a deficient number, since it is larger than the sum of its proper divisors (1).

137844227 is an equidigital number, since it uses as much as digits as its factorization.

137844227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75264, while the sum is 38.

The square root of 137844227 is about 11740.7081132272. The cubic root of 137844227 is about 516.5704123616.

The spelling of 137844227 in words is "one hundred thirty-seven million, eight hundred forty-four thousand, two hundred twenty-seven".