137828227 has 4 divisors (see below), whose sum is σ = 137852280. Its totient is φ = 137804176.

The previous prime is 137828221. The next prime is 137828239. The reversal of 137828227 is 722828731.

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 137828227 - 2⁷ = 137828099 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 137828227.

It is not an unprimeable number, because it can be changed into a prime (137828221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2103 + ... + 16735.

It is an arithmetic number, because the mean of its divisors is an integer number (34463070).

Almost surely, 2^137828227 is an apocalyptic number.

137828227 is a deficient number, since it is larger than the sum of its proper divisors (24053).

137828227 is an equidigital number, since it uses as much as digits as its factorization.

137828227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24052.

The product of its digits is 75264, while the sum is 40.

The square root of 137828227 is about 11740.0267035471. The cubic root of 137828227 is about 516.5504249536.

The spelling of 137828227 in words is "one hundred thirty-seven million, eight hundred twenty-eight thousand, two hundred twenty-seven".