137918647876 has 81 divisors (see below), whose sum is σ = 264601062999. Its totient is φ = 62889958656.

The previous prime is 137918647861. The next prime is 137918647939. The reversal of 137918647876 is 678746819731.

The square root of 137918647876 is 371374.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 6277392900 + 131641254976 = 79230^2 + 362824^2 .

It is a super-2 number, since 2×137918647876² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 409253980 + ... + 409254316.

Almost surely, 2^137918647876 is an apocalyptic number.

137918647876 is the 371374-th square number.

It is an amenable number.

137918647876 is a deficient number, since it is larger than the sum of its proper divisors (126682415123).

137918647876 is an equidigital number, since it uses as much as digits as its factorization.

137918647876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 774 (or 387 counting only the distinct ones).

The product of its digits is 85349376, while the sum is 67.

The spelling of 137918647876 in words is "one hundred thirty-seven billion, nine hundred eighteen million, six hundred forty-seven thousand, eight hundred seventy-six".