137600342728 has 64 divisors (see below), whose sum is σ = 261780246000. Its totient is φ = 67801743360.

The previous prime is 137600342713. The next prime is 137600342743. The reversal of 137600342728 is 827243006731.

It is an interprime number because it is at equal distance from previous prime (137600342713) and next prime (137600342743).

It can be written as a sum of positive squares in 8 ways, for example, as 88077181284 + 49523161444 = 296778^2 + 222538^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131172348 + ... + 131173396.

Almost surely, 2^137600342728 is an apocalyptic number.

It is an amenable number.

137600342728 is a deficient number, since it is larger than the sum of its proper divisors (124179903272).

137600342728 is a wasteful number, since it uses less digits than its factorization.

137600342728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1970 (or 1966 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 43.

The spelling of 137600342728 in words is "one hundred thirty-seven billion, six hundred million, three hundred forty-two thousand, seven hundred twenty-eight".