137740226 has 16 divisors (see below), whose sum is σ = 222868800. Its totient is φ = 63468048.

The previous prime is 137740217. The next prime is 137740231. The reversal of 137740226 is 622047731.

It is a junction number, because it is equal to n+sod(n) for n = 137740192 and 137740201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13115 + ... + 21153.

It is an arithmetic number, because the mean of its divisors is an integer number (13929300).

Almost surely, 2^137740226 is an apocalyptic number.

137740226 is a deficient number, since it is larger than the sum of its proper divisors (85128574).

137740226 is a wasteful number, since it uses less digits than its factorization.

137740226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8713.

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 137740226 is about 11736.2782005200. The cubic root of 137740226 is about 516.4404653010.

Adding to 137740226 its reverse (622047731), we get a palindrome (759787957).

The spelling of 137740226 in words is "one hundred thirty-seven million, seven hundred forty thousand, two hundred twenty-six".