137107028 has 12 divisors (see below), whose sum is σ = 242975040. Its totient is φ = 67685592.

The previous prime is 137106971. The next prime is 137107039. The reversal of 137107028 is 820701731.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 216626 + ... + 217257.

It is an arithmetic number, because the mean of its divisors is an integer number (20247920).

Almost surely, 2^137107028 is an apocalyptic number.

It is an amenable number.

137107028 is a deficient number, since it is larger than the sum of its proper divisors (105868012).

137107028 is a wasteful number, since it uses less digits than its factorization.

137107028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433966 (or 433964 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 29.

The square root of 137107028 is about 11709.2710276943. The cubic root of 137107028 is about 515.6478828804.

Adding to 137107028 its reverse (820701731), we get a palindrome (957808759).

The spelling of 137107028 in words is "one hundred thirty-seven million, one hundred seven thousand, twenty-eight".