137227245 has 16 divisors (see below), whose sum is σ = 220682880. Its totient is φ = 72814784.

The previous prime is 137227219. The next prime is 137227261. The reversal of 137227245 is 542722731.

It is a cyclic number.

It is not a de Polignac number, because 137227245 - 2¹¹ = 137225197 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20265 + ... + 26174.

It is an arithmetic number, because the mean of its divisors is an integer number (13792680).

Almost surely, 2^137227245 is an apocalyptic number.

137227245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

137227245 is a deficient number, since it is larger than the sum of its proper divisors (83455635).

137227245 is a wasteful number, since it uses less digits than its factorization.

137227245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46644.

The product of its digits is 23520, while the sum is 33.

The square root of 137227245 is about 11714.4033138696. The cubic root of 137227245 is about 515.7985474950.

Adding to 137227245 its reverse (542722731), we get a palindrome (679949976).

The spelling of 137227245 in words is "one hundred thirty-seven million, two hundred twenty-seven thousand, two hundred forty-five".