137020656663 has 12 divisors (see below), whose sum is σ = 215911337928. Its totient is φ = 83042822160.

The previous prime is 137020656637. The next prime is 137020656697. The reversal of 137020656663 is 366656020731.

It is not a de Polignac number, because 137020656663 - 2⁵ = 137020656631 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137020657663) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 692023420 + ... + 692023617.

It is an arithmetic number, because the mean of its divisors is an integer number (17992611494).

Almost surely, 2^137020656663 is an apocalyptic number.

137020656663 is a deficient number, since it is larger than the sum of its proper divisors (78890681265).

137020656663 is a wasteful number, since it uses less digits than its factorization.

137020656663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1384047054 (or 1384047051 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 45.

The spelling of 137020656663 in words is "one hundred thirty-seven billion, twenty million, six hundred fifty-six thousand, six hundred sixty-three".