It is a congruent number.
It is an unprimeable number.
Almost surely, 2137689680 is an apocalyptic number.
137689680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 137689680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224628480).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
137689680 is a wasteful number, since it uses less digits than its factorization.
137689680 is an evil number, because the sum of its binary digits is even.
The square root of 137689680 is about 11734.1245945320. The cubic root of 137689680 is about 516.3772855162.
The spelling of 137689680 in words is "one hundred thirty-seven million, six hundred eighty-nine thousand, six hundred eighty".