137028656 has 10 divisors (see below), whose sum is σ = 265493052. Its totient is φ = 68514320.

The previous prime is 137028623. The next prime is 137028673. The reversal of 137028656 is 656820731.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4282130 + ... + 4282161.

Almost surely, 2^137028656 is an apocalyptic number.

137028656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

137028656 is a deficient number, since it is larger than the sum of its proper divisors (128464396).

137028656 is an equidigital number, since it uses as much as digits as its factorization.

137028656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8564299 (or 8564293 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 137028656 is about 11705.9239703665. The cubic root of 137028656 is about 515.5496140098.

The spelling of 137028656 in words is "one hundred thirty-seven million, twenty-eight thousand, six hundred fifty-six".