137686785841 has 24 divisors (see below), whose sum is σ = 159810416640. Its totient is φ = 118207219680.

The previous prime is 137686785827. The next prime is 137686785857. The reversal of 137686785841 is 148587686731.

It is not a de Polignac number, because 137686785841 - 2²⁵ = 137653231409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (137686785811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 634320 + ... + 823246.

It is an arithmetic number, because the mean of its divisors is an integer number (6658767360).

Almost surely, 2^137686785841 is an apocalyptic number.

137686785841 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

137686785841 is a deficient number, since it is larger than the sum of its proper divisors (22123630799).

137686785841 is a wasteful number, since it uses less digits than its factorization.

137686785841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189285 (or 189274 counting only the distinct ones).

The product of its digits is 54190080, while the sum is 64.

The spelling of 137686785841 in words is "one hundred thirty-seven billion, six hundred eighty-six million, seven hundred eighty-five thousand, eight hundred forty-one".