137670028 has 12 divisors (see below), whose sum is σ = 241323712. Its totient is φ = 68720400.

The previous prime is 137670011. The next prime is 137670037. The reversal of 137670028 is 820076731.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 137669975 and 137670002.

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, 25923 + ... + 30778.

Almost surely, 2^137670028 is an apocalyptic number.

It is an amenable number.

137670028 is a deficient number, since it is larger than the sum of its proper divisors (103653684).

137670028 is a wasteful number, since it uses less digits than its factorization.

137670028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57312 (or 57310 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 137670028 is about 11733.2871779395. The cubic root of 137670028 is about 516.3527173974.

The spelling of 137670028 in words is "one hundred thirty-seven million, six hundred seventy thousand, twenty-eight".