137363647644 has 36 divisors (see below), whose sum is σ = 349436413144. Its totient is φ = 45496238112.

The previous prime is 137363647633. The next prime is 137363647667. The reversal of 137363647644 is 446746363731.

137363647644 is a `hidden beast` number, since 1 + 3 + 73 + 63 + 6 + 476 + 44 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12146122 + ... + 12157425.

Almost surely, 2^137363647644 is an apocalyptic number.

It is an amenable number.

137363647644 is an abundant number, since it is smaller than the sum of its proper divisors (212072765500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

137363647644 is a wasteful number, since it uses less digits than its factorization.

137363647644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24303714 (or 24303709 counting only the distinct ones).

The product of its digits is 18289152, while the sum is 54.

The spelling of 137363647644 in words is "one hundred thirty-seven billion, three hundred sixty-three million, six hundred forty-seven thousand, six hundred forty-four".