137217146 has 12 divisors (see below), whose sum is σ = 226238586. Its totient is φ = 62371320.

The previous prime is 137217137. The next prime is 137217163. The reversal of 137217146 is 641712731.

It can be written as a sum of positive squares in only one way, i.e., 68973025 + 68244121 = 8305^2 + 8261^2 .

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 283265 + ... + 283748.

Almost surely, 2^137217146 is an apocalyptic number.

137217146 is a deficient number, since it is larger than the sum of its proper divisors (89021440).

137217146 is a wasteful number, since it uses less digits than its factorization.

137217146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567037 (or 567026 counting only the distinct ones).

The product of its digits is 7056, while the sum is 32.

The square root of 137217146 is about 11713.9722553880. The cubic root of 137217146 is about 515.7858940862.

Adding to 137217146 its reverse (641712731), we get a palindrome (778929877).

The spelling of 137217146 in words is "one hundred thirty-seven million, two hundred seventeen thousand, one hundred forty-six".