137660880 has 160 divisors (see below), whose sum is σ = 495396864. Its totient is φ = 30970368.

The previous prime is 137660857. The next prime is 137660881. The reversal of 137660880 is 88066731.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137660881) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 111949 + ... + 113171.

Almost surely, 2^137660880 is an apocalyptic number.

137660880 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 137660880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (247698432).

137660880 is an abundant number, since it is smaller than the sum of its proper divisors (357735984).

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

137660880 is a wasteful number, since it uses less digits than its factorization.

137660880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1313 (or 1307 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 137660880 is about 11732.8973403844. The cubic root of 137660880 is about 516.3412801482.

The spelling of 137660880 in words is "one hundred thirty-seven million, six hundred sixty thousand, eight hundred eighty".