137707226 has 8 divisors (see below), whose sum is σ = 207307380. Its totient is φ = 68604768.

The previous prime is 137707223. The next prime is 137707253. The reversal of 137707226 is 622707731.

It can be written as a sum of positive squares in 2 ways, for example, as 126585001 + 11122225 = 11251^2 + 3335^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (137707223) 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, 123731 + ... + 124838.

Almost surely, 2^137707226 is an apocalyptic number.

137707226 is a deficient number, since it is larger than the sum of its proper divisors (69600154).

137707226 is a wasteful number, since it uses less digits than its factorization.

137707226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248848.

The product of its (nonzero) digits is 24696, while the sum is 35.

The square root of 137707226 is about 11734.8722191594. The cubic root of 137707226 is about 516.3992188255.

The spelling of 137707226 in words is "one hundred thirty-seven million, seven hundred seven thousand, two hundred twenty-six".