137438227 has 4 divisors (see below), whose sum is σ = 137471656. Its totient is φ = 137404800.

The previous prime is 137438207. The next prime is 137438269. The reversal of 137438227 is 722834731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 722834731 = 23 ⋅31427597.

It is a cyclic number.

It is not a de Polignac number, because 137438227 - 2⁷ = 137438099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137438207) 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, 9513 + ... + 19114.

It is an arithmetic number, because the mean of its divisors is an integer number (34367914).

Almost surely, 2^137438227 is an apocalyptic number.

137438227 is a deficient number, since it is larger than the sum of its proper divisors (33429).

137438227 is an equidigital number, since it uses as much as digits as its factorization.

137438227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33428.

The product of its digits is 56448, while the sum is 37.

The square root of 137438227 is about 11723.4050940842. The cubic root of 137438227 is about 516.0627527691.

It can be divided in two parts, 1374 and 38227, that added together give a square (39601 = 199²).

The spelling of 137438227 in words is "one hundred thirty-seven million, four hundred thirty-eight thousand, two hundred twenty-seven".