137964817684 has 12 divisors (see below), whose sum is σ = 241450814164. Its totient is φ = 68978870784.

The previous prime is 137964817637. The next prime is 137964817717. The reversal of 137964817684 is 486718469731.

It can be written as a sum of positive squares in 2 ways, for example, as 20883140100 + 117081677584 = 144510^2 + 342172^2 .

It is a congruent number.

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, 795789 + ... + 953524.

Almost surely, 2^137964817684 is an apocalyptic number.

It is an amenable number.

137964817684 is a deficient number, since it is larger than the sum of its proper divisors (103485996480).

137964817684 is a wasteful number, since it uses less digits than its factorization.

137964817684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1769034 (or 1769032 counting only the distinct ones).

The product of its digits is 48771072, while the sum is 64.

The spelling of 137964817684 in words is "one hundred thirty-seven billion, nine hundred sixty-four million, eight hundred seventeen thousand, six hundred eighty-four".