137489976774544 has 45 divisors (see below), whose sum is σ = 266713921187217. Its totient is φ = 68660681236992.

The previous prime is 137489976774517. The next prime is 137489976774583. The reversal of 137489976774544 is 445477679984731.

The square root of 137489976774544 is 11725612.

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

It can be written as a sum of positive squares in only one way, i.e., 56265181024144 + 81224795750400 = 7501012^2 + 9012480^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 58581156379 + ... + 58581158725.

Almost surely, 2^{137489976774544} is an apocalyptic number.

137489976774544 is the 11725612-nd square number.

It is an amenable number.

137489976774544 is a deficient number, since it is larger than the sum of its proper divisors (129223944412673).

137489976774544 is an frugal number, since it uses more digits than its factorization.

137489976774544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7200 (or 3598 counting only the distinct ones).

The product of its digits is 35846737920, while the sum is 85.

The spelling of 137489976774544 in words is "one hundred thirty-seven trillion, four hundred eighty-nine billion, nine hundred seventy-six million, seven hundred seventy-four thousand, five hundred forty-four".